3v4l.org

run code in 300+ PHP versions simultaneously
<?php $values = range(1, 10000); $l = count($values); $i = 0; while($i<$l){ $i++; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.2.19, 8.3.0 - 8.3.7

preferences:
165.66 ms | 404 KiB | 293 Q