©TCP-tryPHP

<!DOCTYPE html>
<html lang="ko">

<head>
	<meta charset="UTF-8">
	<title>PHP Built In Function</title>
</head>

<body>

<?php
	var_dump(checkdate(1, 31, 2000));	// 유효한 날짜
	echo "<br>";
	var_dump(checkdate(2, 31, 2000));	// 유효하지 않은 날짜
?>

</body>

</html>