PHP Manual

checkdate

PHP Manual
Prev		Next

checkdate

(PHP 3, 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 years 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)

Prev	Home	Next
Date and Time Functions	Up	date_create