protected function isCallableOption($callback, $parameter)
    {
        $option  = 'function(' . $parameter . '){' . PHP_EOL;
        $option .= Buffering\Callback::do($callback);
        $option .= '}';

        return $option;
    }
protected function isCallableOption($callback, $parameter)
    {
        $option  = 'function(' . $parameter . '){' . PHP_EOL;
        $option .= Buffering\Callback::do($callback);
        $option .= '}';

        return $option;
    }
protected function isCallableOption ( $ callback , $ parameter ) { $ option = 'function(' . $ parameter . '){' . PHP_EOL ; $ option .= Buffering \ Callback :: do ( $ callback ) ; $ option .= '}' ; return $ option ; }
Protected is callable option
Protected is callable option