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 "<br>"; echo date("H:i:s",$end); echo "<br>"; echo date("H:i:s",$end-$now);
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 - 5.3.8, 5.3.10 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.23, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
22:41:59<br>22:41:59<br>01:00:00
Output for 5.3.9
22:41:58<br>22:41:59<br>01:00:01
preferences:
159.71 ms | 401 KiB | 242 Q