3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $A = array(); $A[0] = 5; //$b = &$A[0]; $C = $A; $C[0] = 10; echo $A[0];
Output for 4.3.0 - 5.6.38, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.11
5