3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $form['level1']['level2'][] = array( 'data' => 'some data', 'type' => 'some type', );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0