3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ['a'=> 'b', 'c'=> 'd'];$b = ['a'=> 'x', 'c'=> 'y', 'b'=> 'z'];$c = $a + $b;var_dump($c);$d = array_merge($a, $b);var_dump($d);
based on SogsT
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(3) { ["a"]=> string(1) "b" ["c"]=> string(1) "d" ["b"]=> string(1) "z" } array(3) { ["a"]=> string(1) "x" ["c"]=> string(1) "y" ["b"]=> string(1) "z" }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/mNLHD 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/mNLHD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/mNLHD on line 2
Process exited with code 255.