3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 'ff'; $x[] = 'fdd';
based on 2jJPp
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: [] operator not supported for strings in /in/VgGKu:4 Stack trace: #0 {main} thrown in /in/VgGKu on line 4
Process exited with code 255.
Output for 4.3.2 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: [] operator not supported for strings in /in/VgGKu on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: [] operator not supported for strings in /in/VgGKu on line 4