Warning: Undefined variable $thing in /in/fASUV on line 3
Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /in/fASUV:3
Stack trace:
#0 /in/fASUV(3): method_exists(NULL, 'test')
#1 {main}
thrown in /in/fASUV on line 3
Process exited with code 255.