3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(['a'=>1, 'b'=>1]+['a'=>2, 'c'=>2]);
based on PkX99
Output for 5.4.0 - 7.2.0
array(3) { ["a"]=> int(1) ["b"]=> int(1) ["c"]=> int(2) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/5lZFf 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 '[', expecting ')' in /in/5lZFf on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/5lZFf on line 3
Process exited with code 255.