3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rec($arr, $callRec = true) { foreach ($arr as $a) { var_dump($a, $callRec); if ($callRec) { rec($arr, false); } } } $array = range(1,5); rec($array, true);
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
int(1) bool(true) int(1) bool(false) int(2) bool(false) int(3) bool(false) int(4) bool(false) int(5) bool(false) int(2) bool(true) int(1) bool(false) int(2) bool(false) int(3) bool(false) int(4) bool(false) int(5) bool(false) int(3) bool(true) int(1) bool(false) int(2) bool(false) int(3) bool(false) int(4) bool(false) int(5) bool(false) int(4) bool(true) int(1) bool(false) int(2) bool(false) int(3) bool(false) int(4) bool(false) int(5) bool(false) int(5) bool(true) int(1) bool(false) int(2) bool(false) int(3) bool(false) int(4) bool(false) int(5) bool(false)
preferences:
335.84 ms | 407 KiB | 460 Q