private function parseCSS()
{
$cssFiles = array();
$existingCSSFiles = $this->getCSSFiles();
// if there aren't any CSS-files added we don't need to do something
if (!empty($existingCSSFiles)) {
foreach ($existingCSSFiles as $file) {
if ($file['add_timestamp'] !== false) {
$file['file'] .= mb_strpos($file['file'], '?') !== false ? '&m=' . LAST_MODIFIED_TIME : '?m=' . LAST_MODIFIED_TIME;
}
$cssFiles[] = $file;
}
}
$this->tpl->addGlobal('cssFiles', $cssFiles);
}