php 多维去重

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public function uniqResp($res){
        $rule = ['200','301',];
        foreach ($res as $key => $val){
            $resarr = [];
            foreach ($val as $k => $v){
                //过滤TotalPremium为null的
                if($v['TotalPremium']){
                    $has = false;
                    foreach ($resarr as $tk => $tv ){
                        if($tv['MQCarrierName'] == $v['MQCarrierName']){
                            if(array_search($tv['CarrierID'],$rule) < array_search($v['CarrierID'],$rule)){
                                unset($resarr[$tk]);
                            }else{
                                $has = true;
                            }
                            break;
                        }
                    }
                    //不存在重复
                    if(!$has){
                        $resarr[] = $v;
                    }
                }
            }
            //db('表名')->insertAll($resarr);
        }
        return true;
    }