3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = array(); $foo['foo'] = 'hello'; // Wrong key order // $foo['foo']['bar'] = 'world'; // Right key order $foo['bar']['foo'] = 'world'; print($foo['foo']);
Output for 4.3.0 - 7.1.0
hello