if(!SC_Utils_Ex::isBlank($deliv_pref)){
    if(is_array($deliv_pref)){
        $checked = $deliv_pref;
    }else{
        $checked = array($deliv_pref);
    }
    if(!in_array(1,$checked) AND !in_array(47,$checked)){
        if($results['charge'] == 0 AND $results['subtotal'] >=3000 ){
            $results['deliv_fee'] = 0;
        }elseif($results['charge'] != 0 AND $results['subtotal'] >=5000 ){
            $results['deliv_fee'] = 0;
            $results['charge'] = 0;
        }
    }
}