3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ['a' => 'aa', 'b' => 'bb']; $b = ['a' => 'aaa', 'c' => 'cc']; var_dump($a + $b);
based on 8DQV1
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["a"]=> string(2) "aa" ["b"]=> string(2) "bb" ["c"]=> string(2) "cc" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/BEshr on line 3
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/BEshr on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/BEshr on line 3
Process exited with code 255.