Contao\StyleSheets::exportStyleSheet PHP Метод

    public function exportStyleSheet(DataContainer $dc)
    {
        $objStyleSheet = $this->Database->prepare("SELECT * FROM tl_style_sheet WHERE id=?")->limit(1)->execute($dc->id);
        if ($objStyleSheet->numRows < 1) {
            throw new \Exception("Invalid style sheet ID {$dc->id}");
        }
        $vars = array();
        // Get the global theme variables
        $objTheme = $this->Database->prepare("SELECT vars FROM tl_theme WHERE id=?")->limit(1)->execute($objStyleSheet->pid);
        if ($objTheme->vars != '') {
            if (is_array($tmp = \StringUtil::deserialize($objTheme->vars))) {
                foreach ($tmp as $v) {
                    $vars[$v['key']] = $v['value'];
                }
            }
        }
        // Merge the global style sheet variables
        if ($objStyleSheet->vars != '') {
            if (is_array($tmp = \StringUtil::deserialize($objStyleSheet->vars))) {
                foreach ($tmp as $v) {
                    $vars[$v['key']] = $v['value'];
                }
            }
        }
        // Sort by key length (see #3316)
        uksort($vars, 'length_sort_desc');
        // Create the file
        $objFile = new \File('system/tmp/' . md5(uniqid(mt_rand(), true)));
        $objFile->write('');
        // Add the media query (see #7560)
        if ($objStyleSheet->mediaQuery != '') {
            $objFile->append($objStyleSheet->mediaQuery . ' {');
        }
        $objDefinitions = $this->Database->prepare("SELECT * FROM tl_style WHERE pid=? AND invisible!='1' ORDER BY sorting")->execute($objStyleSheet->id);
        // Append the definition
        while ($objDefinitions->next()) {
            $objFile->append($this->compileDefinition($objDefinitions->row(), false, $vars, $objStyleSheet->row(), true), '');
        }
        // Close the media query
        if ($objStyleSheet->mediaQuery != '') {
            $objFile->append('}');
        }
        $objFile->close();
        $objFile->sendToBrowser($objStyleSheet->name . '.css');
        $objFile->delete();
    }