title: RSS XML Parsing issue (How to get media content value from the RSS feed?)
body: <p>I have a rss feed url which generates an xml as follows:</p>
  
  <pre><code> &lt;?xml version="1.0" encoding="UTF-8"?&gt;&lt;rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/" 
   xmlns:flow="http://www.flownetworks.com/schemas/media/0.1.0"&gt;&lt;channel&gt;
   &lt;title&gt;flow-Media Catalog&lt;/title&gt;
   &lt;link&gt;http://catalog.flownetworks.com/catalogs/1/videos.mrss&lt;/link&gt;
   &lt;description&gt;Video Catalog&lt;/description&gt;
   &lt;image&gt;
      &lt;url&gt;http://images.flow-media.com/flow_media_current.png&lt;/url&gt;
      &lt;title&gt;Get to know flow-Media&lt;/title&gt;
      &lt;link&gt;http://www.flow-media.com&lt;/link&gt;
   &lt;/image&gt;
   &lt;generator&gt;flow-Media&lt;/generator&gt;
   &lt;item&gt;
     &lt;title&gt;..&lt;/title&gt;
     &lt;link&gt;..&lt;/link&gt;
     &lt;description&gt;..&lt;/description&gt;
     &lt;pubDate&gt;Wed, 01 May 2013 07:01:08 GMT&lt;/pubDate&gt;
     &lt;guid isPermaLink="false"&gt;9809880&lt;/guid&gt;
     &lt;flow:short_description/&gt;
     &lt;flow:video_product_id&gt;52985890&lt;/flow:video_product_id&gt;
     &lt;flow:availability end="" start="2013-05-01T06:44:41Z"/&gt;
     &lt;flow:show/&gt;
     &lt;media:group&gt;
     &lt;media:category&gt;US&lt;/media:category&gt;
     &lt;media:thumbnail url="http://images.flow-media.com/ap/2013/05/01/09d462107646ab09def454a1a923a423edd6d2d9_preview.jpg" height="360" width="640"/&gt;
     &lt;media:thumbnail url="http://images.flow-media.com/ap/2013/05/01/09d462107646ab09def454a1a923a423edd6d2d9_thumbnail.jpg" height="90" width="160"/&gt;
     &lt;media:content duration="101" medium="video" isDefault="true" url="http://player.flownetworks.com/swf/cube.swf?a=V5299690&amp;amp;m=9&amp;amp;w=420&amp;amp;h=375" type="application/x-shockwave-flash" expression="full" height="375" lang="en-us" width="420"&gt;
      &lt;/media:content&gt;
      &lt;/media:group&gt;
     &lt;/item&gt;
     &lt;/channel&gt;
  </code></pre>
  
  <p></p>
  
  <p>I want to save image and category value in database.Here is my php code:</p>
  
  <pre><code>$apiURL="http://catalog.flownetworks.com/catalogs/01/videos/search.mrss?api_key=%206784cb3bed8f80c55054ac0de996f8e9f0bf8763";
  $videoId="&amp;video_product_id=".$videoID."";
  $combinevURL=$apiURL.$videoId;
  $mediafile = simplexml_load_file($combinevURL); 
  </code></pre>
  
  <p>Problem: the problem is "simplexml_load_file" do not generate category name and media thumbnail image value of the xml.I want to get  value from this xml.Please help.</p>