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checkdate

(PHP 4, PHP 5)

checkdate — Validate a Gregorian date

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Function name:

(PHP 4, PHP 5)

checkdate — Validate a Gregorian date

bool checkdate(int $month , int $day , int $year)

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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)