checkdate

(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)

checkdate -- Validate a gregorian date/time

Description

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

Returns TRUE if the date given is valid; otherwise returns FALSE. Checks the validity of the date formed by the arguments. A date is considered valid if:

See also mktime() and strtotime().