3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); $a['x'] = 1; if ( !empty($a['y']) ) { echo 'not empty'; } else { echo 'empty'; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
empty