3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17); $b = array_slice($a, 0, 10); $a = array_splice($a, 0, 10); foreach ($a as $v) echo 'a'.$v; foreach ($b as $v) echo 'b'.$v;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.2.18, 8.3.0 - 8.3.6
a1a2a3a4a5a6a7a8a9a10b1b2b3b4b5b6b7b8b9b10

preferences:
288.63 ms | 406 KiB | 460 Q