3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a','b','c'); $b = array_shift($a); $c = array_merge($a,$b); print_r($c);
Output for 5.0.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: array_merge(): Argument #2 is not an array in /in/hU4vS on line 4
Output for hhvm-3.10.0 - 3.12.0
Warning: Invalid operand type was used: expects array(s) in /in/hU4vS on line 4
Output for 4.3.0 - 4.4.9
Array ( [0] => b [1] => c [2] => a )