Definition and Usage
The checkdate() function returns true if the specified date is valid, and false otherwise.A date is valid if:
- month is between 1 and 12 inclusive
- day is within the allowed number of days for the particular month
- year is between 1 and 32767 inclusive
Syntax
checkdate(month,day,year)
| Parameter | Description |
|---|---|
| month | Required. Specifies the month |
| day | Required. Specifies the day |
| year | Required. Specifies the year |
Example
<?php
var_dump(checkdate(12,31,2000));
var_dump(checkdate(2,29,2003));
var_dump(checkdate(2,29,2004));
?>
var_dump(checkdate(12,31,2000));
var_dump(checkdate(2,29,2003));
var_dump(checkdate(2,29,2004));
?>
bool(true)
bool(false)
bool(true)
bool(false)
bool(true)