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(PHP 4, PHP 5, PHP 7, PHP 8)
checkdate — Validate a Gregorian date
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.
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)