3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo (array)waa;
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant waa - assumed 'waa' in /in/0nU18 on line 3 Notice: Array to string conversion in /in/0nU18 on line 3 Array
Output for 4.3.0 - 5.3.29
Notice: Use of undefined constant waa - assumed 'waa' in /in/0nU18 on line 3 Array