IsDate

bool
CDatabase::IsDate(
 string date,
 string format=false,
 string lang=false,
 string format_type="SHORT"
 )

The method checks the date for validity and returns true if the date is valid or false otherwise. Non-static method.

Parameter	Description	Available from version
date	Date to be verified.
format	Date format. Optional. If false, the date format is inferred from the current site (for public section) or language (for administrative section).
lang	Site ID (for public section) or the language ID (for administrative section). Used to determine the format if format is false. Optional; by default, current site (for public section) or language (for administrative section) are used.
format_type	Type of the date format: "FULL" - date and time, "SHORT" - date only. Optional; "SHORT" by default. Form version 3.3.7 to version 4.1.0 the parameter was named Type.

<?
if (!$DB->IsDate("12.10.2005 22:34:15", "DD.MM.YYYY HH:MI:SS"))
  echo "Error. Invalid date format.";
?>