PHP數組怎麼鑲嵌迴圈

PHP數組如何鑲嵌迴圈？
$dosql->Execute("SELECT * FROM `#@__infoclass` WHERE parentid=5 AND checkinfo=true ORDER BY orderid ASC");
while($row = $dosql->GetArray())
{
?>

">

$dosql->Execute("SELECT * FROM `#@__infoimg` WHERE classid='".$row['id']."' AND flag ='c' AND checkinfo=true ORDER BY orderid DESC LIMIT 0,6");
while($srow = $dosql->GetArray())
{
?>

">

}
?>

如何迴圈內在寫一個迴圈

}
?>
------解決方案--------------------
再執行個體化一個資料庫類

