3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(array_keys(['person' => ['asdsa', 'asdasd']]);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected ';' in /in/cDmUN on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/cDmUN on line 3
Process exited with code 255.