<url>
<loc>
<![CDATA[ https://www.news18.com/photogallery/photogallery/in-photos-five-most-expensive-face-masks-for-protection-from-covid-19-in-the-world-3519821.html ]]>
</loc>
<image:image>
<image:loc>
<![CDATA[ https://images.news18.com/ibnlive/uploads/2021/03/1615377235_mask-1.jpg ]]>
</image:loc>
<image:caption>
<![CDATA[ ]]>
</image:caption>
</image:image>
<image:image>
<image:loc>
<![CDATA[ https://images.news18.com/ibnlive/uploads/2021/03/1615377250_mask-2.jpg ]]>
</image:loc>
<image:caption>
<![CDATA[ ]]>
</image:caption>
</image:image>
</url>
如果我写 $xml->url->image:image | 如何在 php 中选择 image:image 元素 这将是错误的语法