3v4l.org

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<?php $ticket = '898808570615cd41ead615ef7c4cdaceHf7a4eedae50154dcfe9d468dade10ffd'; $isValid = true; if (empty($ticket) || '_' == $ticket || !in_array(strlen($ticket), array(32,65)) || preg_match('/[^a-z0-9]+/i', $ticket)) { $isValid = false; } var_dump($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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(true)

preferences:
249.84 ms | 405 KiB | 350 Q