3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 2; $b= 3; $c = 56; $v = array(1=>$a, 2=>$b,3=>$c); print_r($v); unset($v[0]); print_r($v); echo $a;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Array ( [1] => 2 [2] => 3 [3] => 56 ) Array ( [1] => 2 [2] => 3 [3] => 56 ) 2