<!DOCTYPE html> <html> <body> <?php var_dump(checkdate(12,31,-400)); echo "<br>"; var_dump(checkdate(2,29,2003)); echo "<br>"; var_dump(checkdate(2,29,2004)); ?> </body> </html>
<?php var_dump(checkdate(12,31,-400)); echo "<br>"; var_dump(checkdate(2,29,2003)); echo "<br>"; var_dump(checkdate(2,29,2004)); ?>