3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $v = ''; $v[] = 1;
Output for 7.1.0 - 7.3.0rc4
Fatal error: Uncaught Error: [] operator not supported for strings in /in/SAlr9:4 Stack trace: #0 {main} thrown in /in/SAlr9 on line 4
Process exited with code 255.
Output for 4.3.0 - 7.0.20