Online PHP editor | refs for iAB2W

<?php //$email = 'johnsnow@ヒキワリ.ナットウcom'; //$email = 'ヒキワリ.ナットウ.ニホン'; $email = '192.168.1.1'; $email = idn_to_ascii($email); $email = str_replace('xn--', '', $email); $email = str_replace('@-', '@', $email); echo $email . "\n"; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'valid'; } else { echo 'not valid'; }