3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [1,2,3,4,5,6]; for($i = 0; $i < count($array); $i++) { } echo "-----"; for($i = 0, $count = count($array); $i < $count; $i++) { }
Output for 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 - 8.2.18, 8.3.0 - 8.3.6
-----

preferences:
148.87 ms | 403 KiB | 211 Q