3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = 'johnsnow@ヒキワリ.ナットウ.ニホン'; //$email = idn_to_ascii($email); $email = str_replace('xn--', '', $email); echo $email; //echo "\n"; //$email = 'johnsnow@zoosk.com'; //$email = idn_to_ascii($email); //$email = str_replace('xn--', '', $email); //echo $email; ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
johnsnow@ヒキワリ.ナットウ.ニホン
preferences:
236.93 ms | 406 KiB | 312 Q