3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=array(1, 2, 3, 4, 5); foreach($a as $b) { $b++; } var_dump($a); foreach($a as $b) { $b++; } var_dump($a);
Output for 4.3.0 - 7.2.0
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) }