3v4l.org

run code in 300+ PHP versions simultaneously
<?php function filter(&$input) { $input = htmlspecialchars($input, ENT_QUOTES, 'UTF-8'); } $test = array('<test>"hoi"</test>', '<script class="javascript">alert(\'hoi\')</script>'); array_walk_recursive($test, "filter"); var_dump($test);

preferences:
46.11 ms | 402 KiB | 5 Q