3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'test'; $a[] = 'test1'; var_dump($a);
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/AFiDq:4 Stack trace: #0 {main} thrown in /in/AFiDq on line 4
Process exited with code 255.
Output for 5.3.18 - 5.6.28
Fatal error: [] operator not supported for strings in /in/AFiDq on line 4
Process exited with code 255.