谁帮忙看看 这个代码为什么不会循环

queryByKeyword($_MODULE[guanjianzi],$_MODULE[paixu],$_MODULE[geshu]);	break;    case "2":        $arr = explode(',',$_MODULE[item_1]);        foreach($arr as $value){            $item=$itemManager-> queryById ($value);            array_push($items, $item);        } break;    case "3":	$arr = explode(',',$_MODULE[cate_1]);        $items = $itemManager->queryByCategory($categoryId,$_MODULE["paixu"],$_MODULE["geshu"]);		break;	 case "4":	 $srtpdz = explode("，",$_MODULE["srtpdz"]);	  $srtpljdz = explode("，",$_MODULE["srtpljdz"]);	    $srbbbt = explode("，",$_MODULE["srbbbt"]);		    $srbbjg = explode("，",$_MODULE["srbbjg"]);			    $srxssl = explode("，",$_MODULE["srxssl"]);				break;}if($_MODULE[huoqubaobei]!="4"){	$i=-1;    foreach($items as $item){		$i++;        $itemUrl = $uriManager->detailURI($item);         $itemPicUrl = $item->getPicUrl(310);        $itemTitle = $item->title;        $itemPrice = $item->price;        $itemsoldCount = $item->soldCount; echo'




'.$itemTitle.'

RMB:'.$itemPrice.'￥ '.$szzkj[$i].'

已售'.$itemsoldCount.'件



';	}}else if($_MODULE[huoqubaobei]=="4"){		$num = count($srtpdz);	    for($i=0;$i



'.$srbbbt[$i].'

RMB:'.$srbbjg[$i].'￥ '.$szzkj[$i].'

已售'.$srxssl[$i].'件



';		}}?>