php 发送超大数据处理

set_time_limit(0);//设置永不超时
ignore_user_abort(); //设置客户端断开，继续处理
 //总数
       $allusercount= $this->gamedb_model->query_onerow();
        $allcount = $allusercount['count'];
        $page = 1;//当前页
        $pagesize=1000;//分页大小
        $failt = 0;// 失败次数
        $allpage =ceil($allcount/$pagesize);//分页总大小
    while($page <= $allpage){
            $erroruserl = '';
            $userArr =    $this->gamedb_model->query_lists("select  limit ".($page-1)*$pagesize.",$pagesize");
                    if($userArr){
                        foreach ($userArr as $key => $name) {
                $senderrorusers .=$name['roleName'].',';
                        $sendUserList[$name['roleID']] = $name['roleName'];
                    }
                }
        //print_r($sendUserList);
        //print_r("<br />");
            $sendArray['userlist']= json_encode(array_unique($sendUserList));    
                $jsonresult = $this->_sendreward($sendArray,$this->mailgifturl);
                    $resultobj = json_decode($jsonresult);
                    if($resultobj && $resultobj->result=='succ'){
            $data['errordisplay']="奖品发送成功";
            }else{
            $erroruserl = $senderrorusers;//存取发送失败的用户
            $failt++;
            }
            //日志
                    $this->comm_model->insert_query(
                        'admin_action_log',array(
                            'username'=>$this->session->userdata('username'),
                            'type'=>1,//发送邮件奖励
                            'content'=>'userlist='.$sendArray['userlist'].'|message='.$sendArray['message'].'|reward='.$sendArray['reward'].'|item='.$sendArray['item'].'|ger='.$sendArray['ger'],
                            'ip'=>$_SERVER['REMOTE_ADDR'],
                            'online'=>time(),
                'status'=>$data['errordisplay'].'=='.$jsonresult,
                'sendfailt'=>$erroruserl
                          )
                        );
    //    print_r($sendArray);
            $senderrorusers='';
                $page++;    
            unset($sendArray['userlist']);
            unset($sendUserList);
            unset($userArr);
        }