checkdate

(PHP 4, PHP 5, PHP 7)

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.

Parameters:

month

The month is between 1 and 12 inclusive.

day

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

year

The year is between 1 and 32767 inclusive.

Returns:

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

Examples:

checkdate() example

<?php
var_dump(checkdate(12, 31, 2000));
var_dump(checkdate(2, 29, 2001));
?>

The above example will output:

bool(true)
bool(false)