php循环输出数组 不能读取,该如何解决

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Release: 2016-06-13 12:20:02
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php循环输出数组 不能读取
$cart = mysql_query("select * from  qiyu_cart where cart_order=410010268");
while($row11=mysql_fetch_array($cart)){
$cart1 = mysql_query("select * from  qiyu_food where food_id=".$row11['cart_food']);
$row1=mysql_fetch_array($cart1);
$arr= array($row1['food_name']."
"
);
echo $arr."
";
}
我想做出输出一组数据,
$arr.输出的如果怎么是array  而不是$row1['food_name'].的内容  是哪里错了吗。?
------解决思路----------------------
$arr= array($row1['food_name']."
"
应为
$arr[] = array($row1['food_name'])

$arr .= $row1['food_name']. "
";

echo $arr."
";
应为
echo join('
' $arr) ."
";

echo $arr."
";

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