foreach($_REQUEST as $fld => $val) {
    if(preg_match(„/^(save_slowo_|save_branza_)/”, $fld ) && $val!=”) {           
        list($element, $id_element, $element_typ) = explode(‘|’, $val);
        $szukano[$fld]['element'] = $element;
        $szukano[$fld]['id_element'] = $id_element;
        $szukano[$fld]['element_typ'] = $element_typ;
    }
}