3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = "testa@weste.de"; $pattern = "/^\w\K[^\s@]+@(\w)[^\s.@]+/"; $replacement = "*@$1***"; echo preg_replace($pattern, $replacement, $email);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
159.41 ms | 2001 KiB | 9 Q