3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(isset($verify_timestamp) && $verify_timestamp==false) { return true; } // if the value is set verify timestamp if( isset($item_timestamp) && !empty($item_timestamp)) { // if the item timestamp is at least 30 days old then it succeeds if($item_timestamp <= $thirty_days_ago) { return true; } else { // timestamp not 30 days old return false; } }
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 - 5.6.38, 7.0.0 - 7.0.33, 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 - 8.3.7
preferences:
290.64 ms | 406 KiB | 426 Q