3v4l.org

run code in 300+ PHP versions simultaneously
<?php class View { public function __toString() { $clean_room = function($__file_name, array $__data) { extract($__data, EXTR_REFS); return 'wat'; }; return $clean_room('foo.php', array()); } } $view = new View(); $response = (string)$view; echo $response;
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
wat

preferences:
178.41 ms | 404 KiB | 228 Q