多规格的商品选择不同的规格值影响其他规格使之不可选

public function getDisabledSpec($goods_info,$spec_arr){
        if(empty($spec_arr)){
            $spec_arr = array_keys($goods_info[‘goods_spec‘]);//用户已选择的规格值
        }else{
            $spec_arr = array_values($spec_arr);//用户已选择的规格值
            function convertToInt($value){
                return intval($value);
            }
            $spec_arr = array_map("convertToInt",$spec_arr);
        }

        if(empty($goods_info[‘goods_spec‘]) || empty($goods_info[‘spec_value‘])) return array();

        $goods_list = Model(‘goods‘)->getGoodsList(array(‘goods_commonid‘ => $goods_info[‘goods_commonid‘]));

        $disable_goods = array();
        $all_goods = array();
        $result = array();
        $all_spec_key = array();

        foreach($goods_list as $key => $goods_item){
            $goods_spec_key = array_keys(unserialize($goods_item[‘goods_spec‘]));
            $all_goods[] = array(‘spec_key‘ => $goods_spec_key,‘storage‘ => $goods_item[‘goods_storage‘]);
            $all_spec_key = array_merge($all_spec_key,$goods_spec_key);
            if(intval($goods_item[‘goods_storage‘]) <= 0) {
                $disable_goods[] = $goods_spec_key;
            }
        }
        $all_spec_key = array_unique($all_spec_key);
//        $all_spec_key = array_diff($all_spec_key,$spec_arr);
        //若两者相等，则此spu下所有的sku规格值的库存都为空
        if(count($disable_goods) == count($goods_list)){
            return $all_spec_key;
        }

        $intersect_arr = array();
        $disable_arr = array();
        foreach($disable_goods as $key => $goods_item){
            $intersect = array_intersect($spec_arr, $goods_item);
            if(empty($intersect)) continue;
            $intersect_arr[] = $intersect;
            $disable_arr = array_merge($disable_arr,$goods_item);
        }

        $disable_arr = array_values(array_unique($disable_arr));

        $handle_arr = array();
        for($i = 0;$i < count($intersect_arr);$i++){
            if(empty($intersect_arr[$i])) continue;
            if(in_array($intersect_arr[$i],$handle_arr)) continue;
            array_push($handle_arr,$intersect_arr[$i]);
            for($j=0;$j < count($disable_arr); $j++){
                if(!in_array($disable_arr[$j],$intersect_arr[$i])){
                    $this->_handleSpec($result,$all_goods,$intersect_arr[$i],$disable_arr[$j]);
                }
            }

        }

        /**
         * 最后两步
         *
         * 1. 去重
         * 2. 去掉勾选的规格值
         */
        $result = array_unique($result);
        $result = array_diff($all_spec_key,$result);
        $result = array_values($result);

        unset($handle_arr);
        unset($disable_arr);
        unset($intersect_arr);
        unset($all_spec_key);
        unset($all_goods);
        unset($goods_list);
        unset($disable_goods);

        return $result;
    }
private function _handleSpec(&$result,$all_goods,$intersect,$disable_key){
        $flag = 0;
        $intersect = array_values($intersect);
        array_push($intersect,$disable_key);
        foreach($all_goods as $key => $goods_item){
            if(count(array_intersect($intersect,$goods_item[‘spec_key‘])) == count($intersect)){
                $flag = 1;
                if($goods_item[‘storage‘] != 0){
                    $flag = 2;break;
                }
            }
        }

        //处理
        if($flag == 1){
            array_push($result,$disable_key);
        }
    }