Fatal error: Uncaught TypeError: hello(): Argument #1 ($callable) must be of type Closure, string given, called in /in/Rbipo on line 11 and defined in /in/Rbipo:7
Stack trace:
#0 /in/Rbipo(11): hello('test')
#1 {main}
thrown in /in/Rbipo on line 7
Process exited with code 255.
Fatal error: Uncaught TypeError: Argument 1 passed to hello() must be an instance of Closure, string given, called in /in/Rbipo on line 11 and defined in /in/Rbipo:7
Stack trace:
#0 /in/Rbipo(11): hello('test')
#1 {main}
thrown in /in/Rbipo on line 7
Process exited with code 255.