Online PHP editor | refs for 6LiLj

<?php $app_filename = "AntivirusSecurity_02_cb-508164-ce_ac8a0e5e-35f8-4c7b-b591-7e28cab94b4e.apk"; //$app_filename = "AntivirusSecurity_02_[508164]_ac8a0e5e-35f8-4c7b-b591-7e28cab94b4e.apk"; $click_id_fence_beginning = 'cb-'; $click_id_fence_end = '-ce'; preg_match_all("^{$click_id_fence_beginning}(\d*?){$click_id_fence_end}^",$app_filename,$fields); echo (!empty($fields[1][0])) ? $fields[1][0] : 'no click id found'; //print_r($fields);