3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = ['One', 'Two', 'Three']; $total = 0; foreach ($array as $item) $total += strlen($item); echo $total;
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
11

preferences:
96.13 ms | 1095 KiB | 4 Q