checkdate

Description

bool checkdate ( int month, int day, int year )

Returns TRUE if the date given is valid; otherwise returns FALSE. Checks the validity of the date formed by the arguments. A date is considered valid if:

• year is between 1 and 32767 inclusive

• month is between 1 and 12 inclusive

• Day is within the allowed number of days for the given month. Leap years are taken into consideration.

Example 1. checkdate() example <?php var_dump(checkdate(12, 31, 2000)); var_dump(checkdate(2, 29, 2001)); ?> The above example will output: bool(true) bool(false)

See also mktime() and strtotime().