3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(array_merge(['a'=>1, 'b'=>2], ['a'=>11, 'c'=>33]));
Output for 5.4.0 - 7.1.0
array(3) { ["a"]=> int(11) ["b"]=> int(2) ["c"]=> int(33) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/OChVD 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 '[', expecting ')' in /in/OChVD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/OChVD on line 2
Process exited with code 255.