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# checkdate

(PHP 3, PHP 4 )

checkdate -- Validate a gregorian date

## 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:

- year is between 1 and 32767 inclusive

- month is between 1 and 12 inclusive

- `Day` is within the allowed number of days for the given `month`. Leap `year`s are taken into consideration.

See also mktime() and strtotime().

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