3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function anull() { return null; } $x = array(); $x += anull(); var_dump( $x );
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Unsupported operand types in /in/SmhWh:7 Stack trace: #0 {main} thrown in /in/SmhWh on line 7
Process exited with code 255.
Output for 4.3.2 - 5.6.21
Fatal error: Unsupported operand types in /in/SmhWh on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Unsupported operand types in /in/SmhWh on line 7