3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = time(); for($i=0;$i<100000;$i++) echo ""; $end = time(); echo date("H:i:s",$now); echo date("H:i:s",$end); echo date("H:i:s",$end-$now);
Output for 4.3.0 - 4.3.4, 4.3.6 - 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
22:41:4722:41:4701:00:00
Output for 4.3.5
22:41:4622:41:4701:00:01
preferences:
150.29 ms | 401 KiB | 212 Q