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run code in 300+ PHP versions simultaneously
<?php $start = new \DateTime('2014-08-15'); $end = new \DateTime('2014-08-09'); $diff = $end->diff($start); $interval = \DateInterval::createFromDateString('-1 day'); $period = new \DatePeriod($start, $interval, $diff->days); foreach ($period as $date) { echo $date->format('Y-m-d') . PHP_EOL; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
2014-08-15 2014-08-14 2014-08-13 2014-08-12 2014-08-11 2014-08-10 2014-08-09

preferences:
102.43 ms | 407 KiB | 5 Q