3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array('error' => true); if ($arr AND $arr[error]) print 'error';
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Notice: Use of undefined constant error - assumed 'error' in /in/n1FSs on line 5 error