3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 2 => 5,0 => 10,1 => 200 ]; list($a,$a,$a) = $arr; list($b[],$b[],$b[]) = $arr; var_dump($a,$b);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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(5) array(3) { [0]=> int(10) [1]=> int(200) [2]=> int(5) }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
int(10) array(3) { [0]=> int(5) [1]=> int(200) [2]=> int(10) }
preferences:
159.22 ms | 402 KiB | 229 Q