3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(2,1,3); $c = array(); foreach($a as $b){ $c[$b] = $b; } var_dump($c); foreach($c as $index => $d) $c[$index] = $d; var_dump($c);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [2]=> int(2) [1]=> int(1) [3]=> int(3) } array(3) { [2]=> int(2) [1]=> int(1) [3]=> int(3) }