<?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);
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