Online PHP editor | refs for BHQv0

<?php function hs_mailreplace($str) { return preg_replace_callback ('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})^', create_function ( '$str', 'for ($i = 0; $i < strlen($str[0]); $i++) { $result .= "&#" . ord(substr($str[0], $i, 1)) . ";"; }; return $result;' ), $str); } echo hs_mailreplace("tesasdasdasdt@test.com")."\n";