Some valid name
Fatal error: Uncaught ValueError: Name must be non-empty in /in/QWm8c:9
Stack trace:
#0 /in/QWm8c(34): Name->__construct('')
#1 {main}
thrown in /in/QWm8c on line 9
Process exited with code 255.
Output for 8.1.30 - 8.1.31
Parse error: syntax error, unexpected token "readonly", expecting end of file in /in/QWm8c on line 3
Process exited with code 255.