3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mail = "Test@test.com"; preg_match("/(.)(.*?)@(.*)/", $mail, $Match); $str = $Match[1] . str_pad("", strlen($Match[2]), "*"). "@" . str_pad("", strlen($Match[3]), "*"); echo $str;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
T***@********
preferences:
146.5 ms | 408 KiB | 5 Q