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Calling for parts in an RSS feed

  • I was wondering how I would call for parts in an RSS feed so I can input those parts onto a page. Here’s a sample feed:

    <?xml version="1.0" encoding="UTF-8"?>
    <!-- generator="wordpress/2.2" -->
    <rss version="2.0"
    xmlns:content="http://purl.org/rss/1.0/modules/content/"
    xmlns:wfw="http://wellformedweb.org/CommentAPI/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    >
    
    <channel>
    <title>My Site Title</title>
    <link>http://mysite.com</link>
    <description>Just another WordPress weblog</description>
    <pubDate>Mon, 14 Jan 2008 20:21:09 +0000</pubDate>
    <generator>http://wordpress.org/?v=2.2</generator>
    <language>en</language>
    <item>
    <title>A brief interlude</title>
    <link>http://mysite.com/2008/01/14/subject/</link>
    <comments>http://mysite.com/2008/01/14/subject/comments</comments>
    <pubDate>Mon, 14 Jan 2008 20:21:09 +0000</pubDate>
    <dc:creator>Author Name</dc:creator>
    
    <category><![CDATA[Site Update]]></category>
    
    <category><![CDATA[School]]></category>
    
    <guid isPermaLink="false">http://mysite.com/</guid>
    <description><![CDATA[Here's a short description of my post[...]]]></description>
     <content:encoded><![CDATA[<p>Here's my full post with everything I've written in the post.]]></content:encoded>
    <wfw:commentRss>http://mysite.com/2008/01/14/subject/feed/</wfw:commentRss>
    </item>
    </channel>
    </rss>

    What I want to know is how I would call something like content:encoded, or dc:creator, and also how to call all the categories and separate each of them with a comma. I know how to call one of the categories with $category. I tried calling the content with $content, but all it did was return the word array since content is an array. If anyone could help me that would be awesome.

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