"; } } return $msg; } public function is_age_valid($age) { //if (is_numeric($age)) { if (preg_match("/^[0-9]+$/", $age)) { return true; } return false; } public function is_email_valid($email) { //if (preg_match("/^[_a-z0-9-+]+(\.[_a-z0-9-+]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/", $email)) { if (filter_var($email, FILTER_VALIDATE_EMAIL)) { return true; } return false; } } ?>