3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = time(); for($i=0;$i<2000000;$i++) echo ""; $end = time(); echo date("H:i:s",$now); echo "\n"; echo date("H:i:s",$end); echo "\n"; echo $end-$now;
Output for 4.3.0 - 4.3.9, 4.3.11, 4.4.1 - 4.4.5, 4.4.7 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.3, 5.1.5 - 5.1.6, 5.2.0 - 5.2.4, 5.2.6 - 5.2.10, 5.2.12 - 5.2.17, 5.3.0 - 5.3.9, 5.3.11 - 5.3.29, 5.4.0 - 5.4.29, 5.4.31 - 5.4.42, 5.4.44 - 5.4.45, 5.5.0 - 5.5.16, 5.5.19 - 5.5.22, 5.5.24 - 5.5.34, 5.5.36 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.2, 7.0.4 - 7.0.20, 7.1.0, 7.1.6 - 7.1.20, 7.2.0 - 7.2.6
22:43:42 22:43:42 0
Output for 4.3.10, 4.4.0, 4.4.6, 5.1.4, 5.2.5, 5.2.11, 5.3.10, 5.4.30, 5.4.43, 5.5.18, 5.5.23, 5.5.35, 7.0.3, 7.1.5
22:43:42 22:43:43 1
preferences:
152.07 ms | 403 KiB | 214 Q