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run code in 300+ PHP versions simultaneously
<?php $date = array('2013' => 0); end($date); echo key($date).'<br/>'; $newDate = new DateTime(key($date)); echo $newDate->format('Y');
Output for 5.4.2 - 5.4.45, 5.6.28, 7.0.20, 7.1.0 - 7.1.33, 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 - 8.3.6
2013<br/>2015
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.6
2013<br/>2016
preferences:
196.82 ms | 402 KiB | 257 Q