Online PHP editor | output for UXapp

<?php $now = new DateTime(gmdate('Y-m-d H:i:s')); $ColleaguesChangesLastRequest = (string)$now->format('Y-m-d H:i:s'); if (isset($request->Data->LastDate)) { try { $tmp = new DateTime($request->Data->LastDate); $LastDate = (string)$tmp->format('Y-m-d H:i:s'); } catch (Exception $e) { $LastDate = $ColleaguesChangesLastRequest; } } if (!isset($LastDate) && isset($_SESSION['ColleaguesChangesLastRequest'])) { $LastDate = $_SESSION['ColleaguesChangesLastRequest']; } else { $now->sub(new DateInterval('P1DT15M')); $LastDate = (string)$now->format('Y-m-d H:i:s'); } echo $LastDate;