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run code in 300+ PHP versions simultaneously
<?php $x = ["a", "b", "c", "d", "e"]; $count = count($x); for ($i = 0, $limit = $count * 2; $i < $limit; ++$i) { echo $x[$i % $count] . "\n"; }
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
a b c d e a b c d e

preferences:
74.92 ms | 1100 KiB | 4 Q