3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = [1, 2, 3, 4]; $arr2 = array(4, 5, 6, 7); $test = array_merge($arr, $arr2); print_r($test);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 4 [5] => 5 [6] => 6 [7] => 7 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/NPapR on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/NPapR on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NPapR on line 2
Process exited with code 255.