PHP 4, PHP 5, PHP 7, PHP 8
checkdate - Validate a Gregorian date
checkdate( int$month, int$day, int$year ): bool
Checks the validity of the date formed by the arguments. A date is considered valid if each parameter is properly defined.
The month is between 1 and 12 inclusive.
The day is within the allowed number of days for the given month. Leap years are taken into consideration.
The year is between 1 and 32767 inclusive.
Returns true if the date given is valid; otherwise returns false.
Show all examples for checkdate