3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * * @package Validation */ class EMail_Rule implements IValidation_Rule { /** * * @param type $email * @return boolean */ public function validate($email) { if(!is_string($email)) return false; return preg_match("/^.+@.+\..+$/", $email); } } ?>

preferences:
34.57 ms | 402 KiB | 5 Q