/**
* persists the config-data and truncates the file-cache.
*/
public static function save()
{
// save cache only if changes happened
if (!self::$changed) {
return;
}
// after all no data needs to be deleted or update, so skip save
if (empty(self::$deletedData) && empty(self::$changedData)) {
return;
}
// delete cache-file; will be regenerated on next request
rex_file::delete(REX_CONFIG_FILE_CACHE);
// save all data to the db
self::saveToDb();
self::$changed = false;
}
