3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ticket = 'skf243985hf2387bf87'; $isValid = true; if (empty($ticket) || '_' == $ticket || preg_match('/[^a-z0-9]+/i', $ticket) || !in_array(strlen($ticket), array(32,65))) { $isValid = false; } var_dump($isValid);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.6
bool(false)
preferences:
256.61 ms | 405 KiB | 330 Q