/** * Compares items for sorting. * * @param CApiMailFolder $oFolderA First item to compare. * @param CApiMailFolder $oFolderB Second item to compare. * * @return int */ protected function __sortHelper($oFolderA, $oFolderB) { return strnatcmp($oFolderA->getFullName(), $oFolderB->getFullName()); }