3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = "abcd"; list($a, $b, $c, $d) = $x; echo "a: " . $a; echo "\nb: " . $b; echo "\nc: " . $d; echo "\nd: " . $c;
Output for 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
a: b: c: d:
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 - 5.6.38
a: a b: b c: d d: c
preferences:
275.7 ms | 403 KiB | 452 Q