3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(true); for($i = 0; $i < 10000; $i++){ $i = 5/4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5*4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5+4; } echo microtime(true) - $start; for($i = 0; $i < 10000; $i++){ $i = 5-4; } echo microtime(true) - $start;
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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7

Process exited with code 137.
preferences:
130.26 ms | 404 KiB | 173 Q