(PHP 4, PHP 5, PHP 7, PHP 8)
checkdate — Validate a Gregorian date
$month, int $day, int $year): boolChecks the validity of the date formed by the arguments. A date is considered valid if each parameter is properly defined.
monthThe 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.
yearThe 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)