3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class String {}
Output for 7.0.0 - 7.1.12
Fatal error: Cannot use 'String' as class name as it is reserved in /in/Sic4F on line 3
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught Error: Cannot use 'String' as class name as it is reserved in /in/Sic4F:-1 Stack trace: #0 {main}
Process exited with code 255.
Output for hhvm-3.11.1 - 3.21.3
Fatal error: Uncaught Error: Cannot use 'String' as class name as it is reserved in /in/Sic4F:3 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.3.0 - 5.6.30, hhvm-3.10.1