3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [1,2,5]; $b = 3; $a += $b; var_dump($a);
Output for 7.3.0rc3
Fatal error: Uncaught Error: Unsupported operand types in /in/3F0Bt:6 Stack trace: #0 {main} thrown in /in/3F0Bt on line 6
Process exited with code 255.