Online PHP editor | output for KMB11

<?php $week_of=new DateTime('last monday'); $interval=new DateInterval('P1D'); $week_of->setTimezone(new DateTimeZone('Asia/Shanghai')); $mon=$week_of->format('D Y-m-d'); $mon_query=$week_of->format('Y-m-d'); $tue=$week_of->add($interval)->format('D Y-m-d'); $wed=$week_of->add($interval)->format('D Y-m-d'); $thu=$week_of->add($interval)->format('D Y-m-d'); $fri=$week_of->add($interval)->format('D Y-m-d'); $sat=$week_of->add($interval)->format('D Y-m-d'); $sun=$week_of->add($interval)->format('D Y-m-d'); $sun_query=$sun->format('Y-m-d');