protected function _is_dir($resource)
    {
        if ($this->isVirtual) {
            $resource = $this->_prepareForVfs($resource);
        }

        // return the result of operation (virtual or real)
        return is_dir($resource);
    }
protected function _is_dir($resource)
    {
        if ($this->isVirtual) {
            $resource = $this->_prepareForVfs($resource);
        }

        // return the result of operation (virtual or real)
        return is_dir($resource);
    }
protected function _is_dir ( $ resource ) { if ( $ this -> isVirtual ) { $ resource = $ this -> _prepareForVfs ( $ resource ) ; } // return the result of operation (virtual or real) return is_dir ( $ resource ) ; }
is_dir - virtual-fs supporting wrapper

This method is intend to work as is_dir - virtual-fs supporting wrapper.

@param string $resource Path to the resource to check

@author Benjamin Carl <opensource@clickalicious.de>
@return bool Returns TRUE if the resource is a directory, otherwise FALSE
@access protected
is_dir - virtual - fs supporting wrapper