3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(1); for($i = 0; $i < 1000; $i++) { $b = $i; } echo round(array_sum(explode(' ', microtime())) - array_sum(explode(' ', $start)), 3);
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 - 5.4.23, 5.4.26, 5.4.28, 5.4.30 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0, 7.0.2, 7.0.5, 7.0.14, 7.1.5 - 7.1.6, 7.1.26 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
0
Output for 5.4.24 - 5.4.25, 5.4.27, 5.4.29, 5.6.7, 7.0.1, 7.0.3 - 7.0.4, 7.0.6, 7.0.20, 7.1.0, 7.1.7
-0
preferences:
153.4 ms | 403 KiB | 206 Q