3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $rob = '1'; $rob[] = 'abc'; var_dump($rob);
based on d8LBE
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/K0asF:5 Stack trace: #0 {main} thrown in /in/K0asF on line 5
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Fatal error: [] operator not supported for strings in /in/K0asF on line 5
Process exited with code 255.