CheckFilterDates(
 string date1,
 string date2,
 string &is_date1_wrong,
 string &is_date2_wrong,
 string &is_date2_less_date1
)

The function CheckFilterDates checks if the two dates are correct and compares them. Usually the function is used in filters to check if the inputted time interval is correct.

Parameters

Parameter	Description
date1	The first date interval (from).
date2	The second date interval (till).
is_date1_wrong	This parameter is a reference to an original variable. If it contains "Y" on return, the date specified in the parameter date1 is incorrect for the date format of the current site (language).
is_date2_wrong	This parameter is a reference to an original variable. If it contains "Y" on return, the date specified in the parameter date2 is incorrect for the date format of the current site (language).
is_date2_less_date1	This parameter is a reference to an original variable. If it contains "Y" on return, the date specified in the parameter date1 is greater than that in date2, which is incorrect if a time interval is being specified.

See Also

• CDataBase::IsDate
• CDataBase::CompareDates

Example

<?
CheckFilterDates("10.01.2003", "15.02.2004", $date1_wrong, $date2_wrong, $date2_less);
if ($date1_wrong=="Y") echo "Incorrect format of the date1!!";
if ($date2_wrong=="Y") echo "Incorrect format of the date2!!";
if ($date2_less=="Y") echo "The date1 is greater than the date2!!";
?>

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