3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cnt = 10000000; $value = 0; for ($i = 0; $i < $cnt; ++$i) { ++$value; } print($value);
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
10000000
preferences:
201.17 ms | 404 KiB | 243 Q