--TEST-- Bug #73942: $date->modify('Friday this week') doesn't return a Friday if $date is a Sunday --FILE-- <?php $date1 = "2017-01-08"; // this is a Sunday $date = new \DateTime($date1); $date->modify('Friday this week'); $dateFormat = $date->format('Y-m-d'); echo $dateFormat, "\n"; ?> --EXPECT-- 2017-01-06