3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $result = []; for($i = 0; $i < 100; $i++) { $result[] += []; } var_dump($result);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Unsupported operand types in /in/nH30a:4 Stack trace: #0 {main} thrown in /in/nH30a on line 4
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Unsupported operand types in /in/nH30a on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/nH30a on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/nH30a on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nH30a on line 2
Process exited with code 255.