请教如何将以下代码用PHP保存成XML格式,并用PHP取出来?
请教如何将以下代码用PHP保存成XML格式,并用PHP取出来?
<city name="重庆">
<houseArea name="江北">
<bideArea>江北</bideArea>
<bideArea>江北</bideArea>
<bideArea>江北</bideArea>
<bideArea>江北</bideArea>
<bideArea>江北</bideArea>
</houseArea>
<houseArea name="渝北">
<bideArea>渝北</bideArea>
<bideArea>渝北</bideArea>
<bideArea>渝北</bideArea>
<bideArea>渝北</bideArea>
<bideArea>渝北</bideArea>
</houseArea>
<houseArea name="南坪">
<bideArea>南坪</bideArea>
<bideArea>南坪</bideArea>
<bideArea>南坪</bideArea>
<bideArea>南坪</bideArea>
<bideArea>南坪</bideArea>
</houseArea>
<houseArea name="沙坪坝">
<bideArea>沙坪坝</bideArea>
<bideArea>沙坪坝</bideArea>
<bideArea>沙坪坝</bideArea>
<bideArea>沙坪坝</bideArea>
<bideArea>沙坪坝</bideArea>
</houseArea>
</city
怎样用 PHP 提取 出来。 谢谢!