foreach ($arrRecommends as $key => $val) {
                $arrProductId[] = $val['product_id'];
            }

			shuffle($arrProductId);
			$limit = 3;
			$arrProductId_tmp = array();
			foreach($arrProductId as $key =>$val){
				$arrProductId_tmp[] = $val;
				if(count($arrProductId_tmp) >= $limit){
					break;
				}
			}
			$arrProductId = $arrProductId_tmp;