3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $asd='1'; $asd[]='asd'; var_dump($asd);
based on 1lPPg
Output for 7.0.0 - 7.3.0beta1
Fatal error: Uncaught Error: [] operator not supported for strings in /in/aY8CK:6 Stack trace: #0 {main} thrown in /in/aY8CK on line 6
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught Error: [] operator not supported for strings in /in/aY8CK:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.30
Fatal error: [] operator not supported for strings in /in/aY8CK on line 6
Process exited with code 255.