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Found 15 translations.

NameCurrent message text
 h Bulgarian (bg){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Danish (da){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h German (de){|
|Funktion||Bedeutung||Syntax
|-
|[http://www.php.net/manual/en/function.checkdate.php abs]||Absoluter Wert||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arkuskosinus||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php die Funktion addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arkussinus||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arkustangens||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arkustangens zweier Variablen||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Aufrunden||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Gibt true(1) zurück, wenn es ein nach dem Gregorianischen Kalender gültiges Datum ist||bool checkdate(month,day,year)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Kosinus||number cos(number)
|-
|[http://www.php.net/manual/en/function.date.php date]||Formatiere eine lokales Datum/Zeit||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Berechnet den Exponenten von e||number exp(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Abrunden||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Ein GMT Datum/Zeit formatieren||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Konvertiert alle HTML Zeichen in geeignete Zeichen (immer mit ENT_QUOTES und UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Wandelt alle geeigneten Zeichen in entsprechende HTML-Zeichen (immer mit ENT_QUOTES und UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Konvertiere Sonderzeichen in HTML-Zeichen (immer mit ENT_QUOTES und UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Konvertiere HTML-Sonderzeichen zurück in Zeichen (immer mit ENT_QUOTES und UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Formatiere Zeit / Datum als ganze Zahl||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if||Excel-Style if(test,result_if_true,result_if_false)||if(test,result_if_true,result_if_false)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Verbindet Array-Elemente mit einem String||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Bekomm den ganzzahligen Wert einer Variablen||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.is-bool.php is_bool]||Prüft ob eine Variable ein Boolean ist||bool is_bool(var)
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Bestimmen Sie, ob eine Variable als leer betrachtet wird||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Prüft ob die Variable ein Float ist||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Prüft ob die Variable ein Integer ist||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Prüft ob die Variable eine Nummer ist||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Prüft ob eine Variable NULL ist||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Prüft ob eine Variable eine Zahl oder ein numerischer String ist||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Prüft ob die Variable ein String ist||bool is_string(var)
|-
|list||Gibt eine komma-seperierte List der Werte zurück||string list(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.log.php log]||Natürlicher Logarithmus||number log(number)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Entfernt Leerzeichen (oder andere Zeichen) vom Anfang eines Strings||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Findet den höchsten Wert||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Findet den niedrigsten Wert||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||UNIX-Timestamp/Zeitstempel für ein Datum (jedes der 6 Argumente ist optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Fügt HTML-Zeilenumbrüche vor allen Zeilenumbrüchen eines Strings||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Formatiert eine Zahl mit Tausender-Gruppierung||string number_format(number)
|-
|pi||Wert von pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponentialausdruck||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Konvertiert einen quoted-printable String in einen 8-Bit-String||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Konvertiert einen 8-Bit-String in einen quoted-printable String||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Zitat Metazeichen||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generiere eine Zufallszahl||int rand() OR int rand(min, max)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rundet eine Zahl auf einer optionalen Genauigkeit||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Entfernt Leerzeichen (oder andere Zeichen) vom Ende eines Strings||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sinus||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Gibt einen formatierten String zurück||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Quadratwurzel||number sqrt(arg)
|-
|stddev||Berechne die Sample-Standardabweichung für die Liste der Nummern||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Fülle einen String auf eine bestimmte Länge mit einem anderen String||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Wiederhole einen String||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Ersetzen Sie alle Vorkommen des Suchstrings mit dem Ersatz-String||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binärsichere Groß-und Kleinschreibungs String-Vergleich||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binärsicherer String-Vergleich||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Entfernt HTML-und PHP-Tags aus einem String||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Findet das erste Vorkommen eines  Case-Insensitiven Strings||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Entfernt die Anführungszeichen einer Zeichenfolge in Anführungszeichen||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-Insensitiven strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||String-Länge||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Findet das erste Vorkommen eines Strings||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Umkehren einer Zeichenfolge||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Findet das erste Vorkommen eines Strings||string strstr(haystack, needle)
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Setzt einen String in Kleinbuchstaben||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Setzt einen String in Großbuchstaben||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Gibt einen Teil eines Strings zurück||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Berechne die Summe der Werte in einem Array||number sum(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangens||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Liefert die aktuelle UNIX-Timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Entfernt Leerzeichen (oder andere Zeichen) vom Anfang und Ende eines Strings||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Großbuchstaben den ersten Buchstaben jedes Wortes in einem String||string ucwords(string)
|-
|
|}
 h English (en){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Spanish (es){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h French (fr){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Hungarian (hu){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Italian (it){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Japanese (ja){| class="wikitable"
!関数!!意味!!構文
|-
|[http://www.php.net/manual/en/function.abs.php abs]||絶対値||number abs(数値)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||アークコサイン||number acos(数値)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||文字列をスラッシュで引用||string addslashes(文字列)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||アークサイン||number asin(数値)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||アークタンジェント ||number atan(数値)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||2変数のアークタンジェント||number atan2(数値, 数値)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||切り上げ||number ceil(数値)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||グレゴリオ暦で有効な日付であれば真（1）を返す||bool checkdate(月,日,年)
|-
|convert_value||変換元リストにある数値を対応する変換先リストの数値に変換する||number convert_value(変換する数値, 一致フラグ, 変換元リスト, 変換先リスト)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||コサイン||number cos(数値)
|-
|count||リスト内で回答された（空白でない）質問の数||number count(arg1, arg2, ..., argN)
|-
|countif||回答された質問のうち、比較値と等しいリスト内の回答の数||number countif(比較値, arg1, arg2, ... argN)
|-
|countifop||回答された質問のうち、条件を満たすリスト内の回答の数（回答 演算子 比較値）||number countifop(演算子, 比較値, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||指定した、もしくは現在のローカルの日付／時刻を書式化する||string date(日付書式<nowiki>[</nowiki>, 指定時刻=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||eの累乗を計算する||number exp(数値)
|-
|fixnum||必要に応じてカンマで区切られた数字を表示する||string fixnum(数値)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||切り捨て||number floor(数値)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||指定した、もしくは現在のGMTの日付／時刻を書式化する||string gmdate(日付書式<nowiki>[</nowiki>, 指定時刻=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||HTML エンティティを適切な文字に変換する (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(文字列)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities（常にENT_QUOTESとUTF-8を使用）||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||特殊文字を HTML エンティティに変換す（常にENT_QUOTESとUTF-8を使用）||string htmlspecialchars(文字列)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||特殊な HTML エンティティを文字に戻す（常にENT_QUOTESとUTF-8を使用）||string htmlspecialchars_decode(文字列)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||指定した、もしくは現在のローカルな時刻／日付を整数として整形する||string idate(文字列<nowiki>[</nowiki>, 指定時刻=time()])
|-
|if||Excelスタイルのif(条件,trueの時の結果,falseの時の結果)||if(条件,trueの時の結果,falseの時の結果)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||配列要素を文字列により連結するg||string implode(区切り文字,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||変数の整数としての値を取得する||int intval(数値 <nowiki>[</nowiki>, 基数=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||変数が空であるかどうかを検査する||bool is_empty(変数)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||変数の型が float かどうか調べる||bool is_float(変数)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||変数が整数型かどうかを検査する||bool is_int(変数)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||値が数値でないかどうかを判定する||bool is_nan(変数)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||変数が NULL かどうか調べる||bool is_null(変数)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||変数が数字または数値形式の文字列であるかを調べる||bool is_numeric(変数)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||変数の型が文字列かどうかを調べる||bool is_string(変数)
|-
|join{{NewIn/ja|2.0|b=130129}}||要素を新しい文字列として結合する||join(arg1, arg2, ... argN)
|-
|list||空白でない値をコンマ区切りリストで返す||string list(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.log.php log]||自然対数（底が指定されている場合は底に対する対数）||number log(数値,底=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||文字列の最初から空白 (もしくはその他の文字) を取り除く||string ltrim(文字列 <nowiki>[</nowiki>, 削除する文字のリスト])
|-
|[http://www.php.net/manual/en/function.max.php max]||最大値を返す||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||最小値を返す|number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||日付を Unix のタイムスタンプとして取得する（引数は省略可）||number mktime([時 [, 分 [, 秒 [, 月 [, 日 [, 年 ]]]]]])
|-
|モジュロ関数||モジュロ関数はまだ'''サポートされていません'''。代わりにfloor()関数を使用します。||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||改行文字の前にHTMLの改行タグを挿入する||string nl2br(文字列)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||数字を千位毎にグループ化してフォーマットする||string number_format(数値)
|-
|pi||円周率||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||指数表現||number pow(基数, 指数)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||quoted-printable 文字列を 8 ビット文字列に変換する||string quoted_printable_decode(文字列)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||8 ビット文字列を quoted-printable 文字列に変換する||string quoted_printable_encode(文字列)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||メタ文字をクォートする||string quotemeta(文字列)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||乱数を生成する（[[Expression Manager Sample Surveys#Randomly Ask One Question Per Group|例]]）||int rand() OR int rand(最小値, 最大値)
|-
|regexMatch||文字列を[[Using regular expressions/ja|正規表現]]で比較する||bool regexMatch(パターン,文字列)
|-
|[http://www.php.net/manual/en/function.round.php round]||数値を任意の精度に丸める||number round(値 <nowiki>[</nowiki>, 丸める桁数])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||文字列の最後から空白（またはその他の文字）を取り除く||string rtrim(文字列 <nowiki>[</nowiki>, 削除する文字のリスト])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||サイン||number sin(数値)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||フォーマットされた文字列を返す||string sprintf(フォーマット, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||平方根||number sqrt(数値)
|-
|stddev||数値のリストのサンプル標準偏差を計算する||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||文字列を固定長になるまで他の文字列で埋める||string str_pad(入力文字列, 文字列の長さ <nowiki>[</nowiki>, 埋める文字列])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||文字列を反復する||string str_repeat(入力文字列, 繰り返し回数)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||検索文字列に一致したすべての文字列を置換する||string str_replace(検索文字列, 置き換える値, 対象の文字列)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||バイナリセーフな文字列比較を行う||int strcmp(文字列1, 文字列2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||文字列から HTML および PHP タグを取り除く||string strip_tags(文字列, 取り除かないタグ)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||大文字小文字を区別せずに文字列が最初に現れる位置を探す（0から始まり、現れなければfalse）|||int stripos(対象文字列, 検索文字列 <nowiki>[</nowiki>, 検索開始位置=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||クォートされた文字列のクォート部分を取り除く||string stripslashes(文字列)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||大文字小文字を区別しないstrstr||string stristr(対象文字列, 検索文字列 <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||文字列の長さを得る||int strlen(文字列)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||文字列内の部分文字列が最初に現れる場所を見つける（0から始まり、現れなければfalse）||int strpos(対象文字列, 検索文字列 <nowiki>[</nowiki> 検索開始位置=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||文字列を逆順にする||string strrev(文字列)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||文字列が最初に現れる位置を見つける||string strstr(対象文字列, 検索文字列<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||文字列を小文字にする||string strtolower(文字列)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||英文形式の日付をUnixタイムスタンプに変換する||int strtotime(文字列)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||文字列を大文字にする||string strtoupper(文字列)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||unicode文字列の一部分を返す||string substr(対象文字列, 開始位置 <nowiki>[</nowiki>, 長さ])
|-
|sum||配列中の値の合計||number sum(arg1, arg2, ... argN)
|-
|sumifop||回答された質問のうち、条件を満たすリスト内の回答の合計（回答 演算子 比較値）||number sumifop(演算子, 値, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||タンジェント||number tan(数値)
|-
|[http://www.php.net/manual/en/function.time.php time]||現在の Unix タイムスタンプを返す||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||文字列の先頭および最後から空白（またはその他の文字）を取り除く||string trim(文字列 <nowiki>[</nowiki>, 削除する文字のリスト])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||文字列の各単語の最初の文字を大文字にする||string ucwords(文字列)
|-
|unique||空白以外の回答のすべてが一意である場合にtrueを返す||boolean unique(arg1, ..., argN)
|}
 h Dutch (nl){| class="wikitable"
!Functie!!Betekenis!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute waarde||getal  abs(getal)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arccosinus||getal acos(getal)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Backslashes  toevoegen||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arcsinus||getal asin(getal)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arctangens||getal atan(getal)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arctangens van 2 variabelen||getal atan2(getal, getal)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Afronden naar boven||getal ceil(getal)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Resultaat true (1) als het een geldige datum is in gregoriaanse kalender||boolean checkdate(maand,dag,jaar)
|-
|convert_value||Omzetten numerieke waarde met  invoertabel en uitvoertabel met numerieke waarden||getal convert_value(fWaarde, iStrict, invoertabel, uitvoertabel)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosinus||getal cos(getal)
|-
|count||Tel aantal beantwoorde vragen in de lijst||getal count(arg1, arg12, ..., argN)
|-
|countif||Tel het aantal beantwoorde vragen in de lijst gelijk aan het eerste argument ||getal countif(matches, arg1, arg2, ... argN)
|-
|countifop||Tel het aantal beantwoorde vragen in de lijst die aan de criteria voldoen (arg op waarde)||getal countifop(op, waarde, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Maak een datum/tijd||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Berekent de e-exponent||getal exp(getal)
|-
|fixnum||Toont getallen met komma als decimaalteken indien nodig||string fixnum(getal)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Afkappen||getal floor(getal)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Maakt een GMT datum/tijd||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Converteert HTML (altijd met ENT_QUOTES en UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Converteert naar HTML (altijd ENT_QUOTES en UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Converteert speciale tekens naar HTML (altijd ENT_QUOTES en UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Converteert speciale HTML naar tekens terug (altijd ENT_QUOTES en UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Maakt een datum/tijd aan als integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn/nl|3.0.2}}||Excel-styleif(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Array omzetten naar string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Bepaal integer waarde van een variabele||int intval(getal <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Bepaald of een variabele leeg is ||boolean is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Bepaald of het type van een variabele float is||boolean is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Bepaald of het type van een variabele integer is ||boolean is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Bepaald of de waarde geen getal is||boolean is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Bepaald of de waarde van een variabele NULL is||boolean is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Bepaald of een variabele een getal of een numerieke string is||boolean is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Bepaald of het type van een variabele string is||boolean is_string(var)
|-
|join{{NewIn/nl|2.0|b=130129}}||Een string maken van argumenten||join(arg1, arg2, ... argN)
|-
|list||Geeft een csv-lijst van niet lege waarden||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn/nl|3.16.1}}||Geeft een 'glue'-gescheiden lijst van de gespecifeerde vraageigenschap (retProp) van vragen in de lijst die aan de criteria voldoen (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| Het logaritme van getal met een grondtal, indien ingevuld, anders het natuurlijke logaritme. ||getal log(getal,grondtal=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Verwijder spaties (of andere tekens) aan de linkerkant van de string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Zoek hoogste waarde||getal max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Zoek laagste waarde||getal min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Bepaal UNIX timestamp van een datum (alle 6 argumenten zijn optioneel)||getal mktime([uur [, minuut [, seconde [, maand [, dag [, jaar ]]]]]])
|-
|modulo||'''Nog niet ondersteund'''. Gebruik de functie floor()||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Voegt HTML line breaks toe voor alle newlines in een string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Geeft een getal met gegroepeerde duizendtallen||string number_format(getal)
|-
|pi||Geeft de waarde van pi||getal pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponentiële expressie||getal pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Converteert een quoted-printable string naar een 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Converteert een 8 bit string naar een quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta karakters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Genereer een willekeurig geheel getal, lees [[Expression Manager sample surveys/nl#Willekeurig een vraag stellen per groep|dit voorbeeld]]||int rand() OR int rand(min, max)
|-
|regexMatch||Vergelijkt een  string met een [[Using regular expressions/nl|reguliere expressie]]||boolean regexMatch(patroon,invoer)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rond een getal af met een optioneel op te geven precisie||getal round(val <nowiki>[</nowiki>, precisie])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Verwijder spaties  (of andere tekens) aan de rechterkant van een string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sinus||getal sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Geeft een geformatteerde string||string sprintf(formaat, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Wortel||getal sqrt(arg)
|-
|stddev||Bepaald de standaarddeviatie van de lijst argumenten||getal stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Aanvullen van een string tot een bepaalde lengte met een andere string||string str_pad(invoer, pad_lengte <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Herhaal een string||string str_repeat(invoer, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Vervang alle voorkomens van een string door een andere string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Hoofdletter onafhankelijk strings vergelijken||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Strings vergelijken||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||HTML en PHP tags verwijderen uit een string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Zoek positie waar een unicode string voor het eerst voorkomt (hoofdletter onafhankelijk, begint met 0, geeft false terug indien niet gevonden)||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Verwijder quotes uit een string met quotes||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Hoofdletter onafhankelijk strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Bepaal lengte string ||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Zoek positie waar een string voor het eerst voorkomt||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Omkeren van een string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Zoek eerste voorkomen van een string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||In kleine letters zetten||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Engelse datetime beschrijving omzetten in een  Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||In hoofdletters zetten||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Geeft een deel van een unicode string||string substr(string, start <nowiki>[</nowiki>, lengte])
|-
|sum||Bepaald de som van de waarden in een array||getal sum(arg1, arg2, ... argN)
|-
|sumifop||Bepaald de som van de waarde van de beantwoorde vragen in de lijst die aan de criteria voldoen (arg op waarde)||getal sumifop(op, waarde, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangens||getal tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Geeft het huidige UNIX timestamp||getal time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Verwijder spaties (of andere tekens) aan de beide kanten van de string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Maak van elke eerste karakter van elke woord in een string een hoofdletter||string ucwords(string)
|-
|unique||Geeft true als alle niet lege antwoorden uniek zijn||boolean unique(arg1, ..., argN)
|}
 h Polish (pl){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Romanian (ro){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Slovenian (sl){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Vietnamese (vi){| class="wikitable"
!Function!!Meaning!!Syntax
|-
|[http://www.php.net/manual/en/function.abs.php abs]||Absolute value||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||Arc cosine||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||Arc sine||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||Arc tangent||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||Cosine||number cos(number)
|-
|count||count the number of answered (non-blank) questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal to the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||Format a local date/time||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||Format a GMT date/time||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if{{UpdatedIn|3.0.2}}||Excel-style if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)||if(test,result_if_true<nowiki>[</nowiki>,result_if_false = &quot;&quot;<nowiki>]</nowiki>)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|listifop{{NewIn|3.16.1}}||Return a 'glue'-separated list of the specified question property (retProp) from questions in the list which pass the criteria (cmpProp op value)||string listifop(cmpProp, op, value, retProp, glue, sgqa1, sgqa2, ... sgqaN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||Find highest value||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||Find lowest value||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||Get value of pi||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager sample surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||Sine||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||Repeat a string||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||Tangent||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
 h Chinese (zh){| class="wikitable"
!函数!!含义!!语法
|-
|[http://www.php.net/manual/en/function.abs.php abs]||绝对值||number abs(number)
|-
|[http://www.php.net/manual/en/function.acos.php acos]||反余弦||number acos(number)
|-
|[http://www.php.net/manual/en/function.addslashes.php addslashes]||Quote string with slashes||string addslashes(string)
|-
|[http://www.php.net/manual/en/function.asin.php asin]||反正弦||number asin(number)
|-
|[http://www.php.net/manual/en/function.atan.php atan]||反正切||number atan(number)
|-
|[http://www.php.net/manual/en/function.atan2.php atan2]||Arc tangent of two variables||number atan2(number, number)
|-
|[http://www.php.net/manual/en/function.ceil.php ceil]||Round fractions up||number ceil(number)
|-
|[http://www.php.net/manual/en/function.checkdate.php checkdate]||Returns true(1) if it is a valid date in gregorian calendar||bool checkdate(month,day,year)
|-
|convert_value||Convert a numerical value using a inputTable and outputTable of numerical values||number convert_value(fValue, iStrict, sTranslateFromList, sTranslateToList)
|-
|[http://www.php.net/manual/en/function.cos.php cos]||余弦||number cos(number)
|-
|count||count the number of answered (non-blank)questions in the list||number count(arg1, arg12, ..., argN)
|-
|countif||Count the number of answered questions in the list equal the first argument||number countif(matches, arg1, arg2, ... argN)
|-
|countifop||Count the number of answered questions in the list which pass the criteria (arg op value)||number countifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.date.php date]||格式化本地日期/时间||string date(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.exp.php exp]||Calculates the exponent of e||number exp(number)
|-
|fixnum||Display numbers with comma as radix separator, if needed||string fixnum(number)
|-
|[http://www.php.net/manual/en/function.floor.php floor]||Round fractions down||number floor(number)
|-
|[http://www.php.net/manual/en/function.gmdate.php gmdate]||格式化GMT日期/时间||string gmdate(format <nowiki>[</nowiki>, timestamp=time()])
|-
|[http://www.php.net/manual/en/function.html-entity-decode.php html_entity_decode]||Convert all HTML entities to their applicable characters (always uses ENT_QUOTES and UTF-8)||string html_entity_decode(string)
|-
|[http://www.php.net/manual/en/function.htmlentities.php htmlentities]||Convert all applicable characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlentities(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars.php expr_mgr_htmlspecialchars]||Convert special characters to HTML entities (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars(string)
|-
|[http://www.php.net/manual/en/function.htmlspecialchars-decode.php expr_mgr_htmlspecialchars_decode]||Convert special HTML entities back to characters (always uses ENT_QUOTES and UTF-8)||string htmlspecialchars_decode(string)
|-
|[http://www.php.net/manual/en/function.idate.php idate]||Format a local time/date as integer||string idate(string <nowiki>[</nowiki>, timestamp=time()])
|-
|if||Excel-style if(test,result_if_true,result_if_false)||if(test,result_if_true,result_if_false)
|-
|[http://www.php.net/manual/en/function.implode.php implode]||Join array elements with a string||string implode(glue,arg1,arg2,...,argN)
|-
|[http://www.php.net/manual/en/function.intval.php intval]||Get the integer value of a variable||int intval(number <nowiki>[</nowiki>, base=10])
|-
|[http://www.php.net/manual/en/function.empty.php is_empty]||Determine whether a variable is considered to be empty||bool is_empty(var)
|-
|[http://www.php.net/manual/en/function.is-float.php is_float]||Finds whether the type of a variable is float||bool is_float(var)
|-
|[http://www.php.net/manual/en/function.is-int.php is_int]||Find whether the type of a variable is integer||bool is_int(var)
|-
|[http://www.php.net/manual/en/function.is-nan.php is_nan]||Finds whether a value is not a number||bool is_nan(var)
|-
|[http://www.php.net/manual/en/function.is-null.php is_null]||Finds whether a variable is NULL||bool is_null(var)
|-
|[http://www.php.net/manual/en/function.is-numeric.php is_numeric]||Finds whether a variable is a number or a numeric string||bool is_numeric(var)
|-
|[http://www.php.net/manual/en/function.is-string.php is_string]||Find whether the type of a variable is string||bool is_string(var)
|-
|join{{NewIn|2.0|b=130129}}||Join elements as a new string||join(arg1, arg2, ... argN)
|-
|list||Return comma-separated list of non-blank values||string list(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.log.php log]|| The logarithm of number to base, if given, or the natural logarithm. ||number log(number,base=e)
|-
|[http://www.php.net/manual/en/function.ltrim.php ltrim]||Strip whitespace (or other characters) from the beginning of a string||string ltrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.max.php max]||寻找最大值||number max(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.min.php min]||寻找最小值||number min(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.mktime.php mktime]||Get UNIX timestamp for a date (each of the 6 arguments are optional)||number mktime([hour [, minute [, second [, month [, day [, year ]]]]]])
|-
|modulo-function||The modulo function is '''not supported''' yet. You can use the floor() function instead||floor(x/y)==(x/y)
|-
|[http://www.php.net/manual/en/function.nl2br.php nl2br]||Inserts HTML line breaks before all newlines in a string||string nl2br(string)
|-
|[http://www.php.net/manual/en/function.number-format.php number_format]||Format a number with grouped thousands||string number_format(number)
|-
|pi||获取pi的值||number pi()
|-
|[http://www.php.net/manual/en/function.pow.php pow]||Exponential expression||number pow(base, exp)
|-
|[http://www.php.net/manual/en/function.quoted-printable-decode.php quoted_printable_decode]||Convert a quoted-printable string to an 8 bit string||string quoted_printable_decode(string)
|-
|[http://www.php.net/manual/en/function.quoted-printable-encode.php quoted_printable_encode]||Convert a 8 bit string to a quoted-printable string||string quoted_printable_encode(string)
|-
|[http://www.php.net/manual/en/function.quotemeta.php quotemeta]||Quote meta characters||string quotemeta(string)
|-
|[http://www.php.net/manual/en/function.rand.php rand]||Generate a random integer, see [[Expression Manager Sample Surveys#Randomly Ask One Question Per Group|this example]]||int rand() OR int rand(min, max)
|-
|regexMatch||compare a string to a [[Using regular expressions|regular expression]]||bool regexMatch(pattern,input)
|-
|[http://www.php.net/manual/en/function.round.php round]||Rounds a number to an optional precision||number round(val <nowiki>[</nowiki>, precision])
|-
|[http://www.php.net/manual/en/function.rtrim.php rtrim]||Strip whitespace (or other characters) from the end of a string||string rtrim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.sin.php sin]||正弦||number sin(arg)
|-
|[http://www.php.net/manual/en/function.sprintf.php sprintf]||Return a formatted string||string sprintf(format, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.sqrt.php sqrt]||Square root||number sqrt(arg)
|-
|stddev||Calculate the Sample Standard Deviation for the list of numbers||number stddev(arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.str-pad.php str_pad]||Pad a string to a certain length with another string||string str_pad(input, pad_length <nowiki>[</nowiki>, pad_string])
|-
|[http://www.php.net/manual/en/function.str-repeat.php str_repeat]||重复字符串||string str_repeat(input, multiplier)
|-
|[http://www.php.net/manual/en/function.str-replace.php str_replace]||Replace all occurrences of the search string with the replacement string||string str_replace(search, replace, subject)
|-
|[http://www.php.net/manual/en/function.strcasecmp.php strcasecmp]||Binary safe case-insensitive string comparison||int strcasecmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strcmp.php strcmp]||Binary safe string comparison||int strcmp(str1, str2)
|-
|[http://www.php.net/manual/en/function.strip-tags.php strip_tags]||Strip HTML and PHP tags from a string||string strip_tags(str, allowable_tags)
|-
|[http://www.php.net/manual/en/function.stripos.php stripos]||Find position of first occurrence of a case-insensitive unicode string (starting by 0, return false if not found)|||int stripos(haystack, needle <nowiki>[</nowiki>, offset=0])
|-
|[http://www.php.net/manual/en/function.stripslashes.php stripslashes]||Un-quotes a quoted string||string stripslashes(string)
|-
|[http://www.php.net/manual/en/function.stristr.php stristr]||Case-insensitive strstr||string stristr(haystack, needle <nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strlen.php strlen]||Get string length||int strlen(string)
|-
|[http://www.php.net/manual/en/function.strpos.php strpos]||Find position of first occurrence of an unicode string (starting by 0, return false if not found)||int strpos(haystack, needle <nowiki>[</nowiki> offset=0])
|-
|[http://www.php.net/manual/en/function.strrev.php strrev]||Reverse a string||string strrev(string)
|-
|[http://www.php.net/manual/en/function.strstr.php strstr]||Find first occurrence of a string||string strstr(haystack, needle<nowiki>[</nowiki>, before_needle=false])
|-
|[http://www.php.net/manual/en/function.strtolower.php strtolower]||Make a string lowercase||string strtolower(string)
|-
|[http://www.php.net/manual/en/function.strtotime.php strtotime]||Parse about any English textual datetime description into a Unix timestamp||int strtotime(string)
|-
|[http://www.php.net/manual/en/function.strtoupper.php strtoupper]||Make a string uppercase||string strtoupper(string)
|-
|[http://www.php.net/manual/en/function.substr.php substr]||Return part of an unicode string||string substr(string, start <nowiki>[</nowiki>, length])
|-
|sum||Calculate the sum of values in an array||number sum(arg1, arg2, ... argN)
|-
|sumifop||Sum the values of answered questions in the list which pass the criteria (arg op value)||number sumifop(op, value, arg1, arg2, ... argN)
|-
|[http://www.php.net/manual/en/function.tan.php tan]||正切||number tan(arg)
|-
|[http://www.php.net/manual/en/function.time.php time]||Return current UNIX timestamp||number time()
|-
|[http://www.php.net/manual/en/function.trim.php trim]||Strip whitespace (or other characters) from the beginning and end of a string||string trim(string <nowiki>[</nowiki>, charlist])
|-
|[http://www.php.net/manual/en/function.ucwords.php ucwords]||Uppercase the first character of each word in a string||string ucwords(string)
|-
|unique||Returns true if all non-empty responses are unique||boolean unique(arg1, ..., argN)
|}
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