3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = false; $a += array(); var_dump($a);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Unsupported operand types in /in/d582t:3 Stack trace: #0 {main} thrown in /in/d582t on line 3
Process exited with code 255.
Output for 4.3.2 - 5.6.28
Fatal error: Unsupported operand types in /in/d582t on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Unsupported operand types in /in/d582t on line 3