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Date min/en: Difference between revisions

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#'''Any year value'''
#'''Any year value'''
#'''Reference to another date/time question'''(eg., dateofbirth)
#'''Reference to another date/time question'''(eg., dateofbirth)
#'''Expressions''', work on a following page, not on the same: E.g, You can use a date from a previous answer + 3 days as a minimum for the present question by entering: date("Y-m-d",strtotime(departuredate)+3*60*60*24). The question with the code 'departuredate' has to be on a previous page in the survey (either in a different group in group by group mode or use question by question mode).
#'''Expressions''' With expressions, a minimum date can be dynamically calculated. For example, you can use a date from a previous answer + 3 days as a minimum for the present question by entering: date("Y-m-d H:i",strtotime(departuredate)+3*60*60*24).


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[[Category:Question Settings]][[Category:Advanced Question Settings]]
[[Category:Question Settings]][[Category:Advanced Question Settings]]

Revision as of 15:24, 15 April 2014


Minimum date (date_min) (New in 2.05 )

Description

This question attribute can be used to set the minimum value for the calendar question. It applies to both, the popup-variant of the calendar and the dropdown fields. However, for the dropdown fields, only the year is used as a minimum.

Valid values

  1. Any date value in format YYYY-MM-DD (eg., 2013-08-24)
  2. Any year value
  3. Reference to another date/time question(eg., dateofbirth)
  4. Expressions With expressions, a minimum date can be dynamically calculated. For example, you can use a date from a previous answer + 3 days as a minimum for the present question by entering: date("Y-m-d H:i",strtotime(departuredate)+3*60*60*24).