protected function classMethod(&$class = NULL, &$method = NULL, $command)
    {
        $commandEx = explode(':', $command);
        $class     = $commandEx[0];
        $method    = $commandEx[1] ?? NULL;
    }
protected function classMethod(&$class = NULL, &$method = NULL, $command)
    {
        $commandEx = explode(':', $command);
        $class     = $commandEx[0];
        $method    = $commandEx[1] ?? NULL;
    }
protected function classMethod ( & $ class = NULL , & $ method = NULL , $ command ) { $ commandEx = explode ( ':' , $ command ) ; $ class = $ commandEx [ 0 ] ; $ method = $ commandEx [ 1 ] ?? NULL ; }
protected class method

@param string &$class
@param string &$method

@return void
protected class method