CSSmin::preserve_old_IE_specific_matrix_definition PHP Метод

    private function preserve_old_IE_specific_matrix_definition($matches)
    {
        $this->preserved_tokens[] = $matches[1];
        return 'filter:progid:DXImageTransform.Microsoft.Matrix(' . self::TOKEN . (count($this->preserved_tokens) - 1) . '___' . ')';
    }