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PHP

Validate a Gregorian date


checkdate

(PHP 4, PHP 5)

checkdateValidate a Gregorian date

Description

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.

Return Values

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

Examples

Example #1 checkdate() example

<?php
var_dump
(checkdate(12312000));
var_dump(checkdate(2292001));
?>

The above example will output:

 bool(true) bool(false) 

See Also

  • mktime() - Get Unix timestamp for a date
  • strtotime() - Parse about any English textual datetime description into a Unix timestamp



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