3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dateNow = date('Y-m-d', time()); $dateYearAgo = date('Y-m-d', strtotime('1 year ago')); var_dump($dateNow, $dateYearAgo);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
string(10) "2014-07-21" string(10) "2013-07-21"
preferences:
162.69 ms | 404 KiB | 215 Q