3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Test Source function Test5_2() { /* The Test */ $t = microtime(true); $i = 0; while($i < 1000000) ++$i; return (microtime(true) - $t); }
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 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
preferences:
185.63 ms | 404 KiB | 235 Q