3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php header( 'Content-type: text/plain' ); $a = array(); $a['foo'][]['bar'] = 1; $a['foo'][]['bar'] = 2; var_dump($a);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["foo"]=> array(2) { [0]=> array(1) { ["bar"]=> int(1) } [1]=> array(1) { ["bar"]=> int(2) } } }