QS:Date max

Maximum datum (date_max) ^{(Nieuw in 2.05)}

Beschrijving

This question attribute can be used to set the maximum 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 maximum.

Geldige waarden

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, work on a following page, not on the same: E.g, You can use a date from a previous answer + 365 days as a maximum for the present question by entering: date("Y-m-d",strtotime(departuredate)+365*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).