downloads \| documentation \| faq \| getting help \| mailing lists \| reporting bugs \| php.net sites \| links \| my php.net

search for in the

checkdate

(PHP 4, PHP 5)

checkdate — Validate a Gregorian date

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

Checks the validity of the date formed by the arguments. A date is considered valid if each parameter is properly defined.

month: The month is between 1 and 12 inclusive.
day: The day is within the allowed number of days for the given month . Leap year s are taken into consideration.
year: The year is between 1 and 32767 inclusive.

Returns TRUE if the date given is valid; otherwise returns FALSE.

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)