3v4l.org

run code in 300+ PHP versions simultaneously
<?php $duration = 2; $t_time = 1411387095 ; $then = time() - $duration*60; echo date('Y-m-d H:i:s',$t_time).'<br/>'; echo date('Y-m-d H:i:s',$then ).'<br/>';

preferences:
28.46 ms | 402 KiB | 5 Q