PHP checkdate() Function
Complete PHP Date Reference
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));
?>
|
The output of the code above will be:
bool(true)
bool(false)
bool(true)
|
Complete PHP Date Reference

The Altova MissionKit is an integrated suite of tools ideal for:
- XML development
- Web & Web services development
- Data mapping & integration
- Rendering & publishing XML & database data
- XBRL validation, taxonomy editing, transformation & rendering
The MissionKit for XML Developers includes XMLSpy® - the industry-leading XML editor; MapForce® - a
graphical data mapping, conversion, and integration tool; StyleVision® - a visual XSLT stylesheet designer;
DiffDog® - an XML-aware diff/merge tool; and 2 additional tools.
Try all 6 products free for 30 days!
Download a fully-functional free trial
|
|
|
|