checkdate

(PHP 3, PHP 4, PHP 5)

checkdate -- Validate a Gregorian date

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:

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().