public function isCallable() : bool 
    {
        return is_callable(
            [
                $this->namespace . $this->getController(true),
                $this->getAction(true)
            ]
        );
    }
public function isCallable() : bool 
    {
        return is_callable(
            [
                $this->namespace . $this->getController(true),
                $this->getAction(true)
            ]
        );
    }
public function isCallable ( ) : bool { return is_callable ( [ $ this -> namespace . $ this -> getController ( true ) , $ this -> getAction ( true ) ] ) ; }
Is this route callable?

@return bool
Is this route callable?