<?php
// Function for parsing YouTube video object
// Copyright 2008-2009 Chirag Shah

function parseVideoEntry($entry) 
{      
  $obj= new stdClass;
  
  // get nodes in media: namespace for media information
  $media = $entry->children('http://search.yahoo.com/mrss/');
  $obj->title = $media->group->title;
  $obj->description = $media->group->description;
  $obj->category = $media->group->category;
  $obj->keywords = $media->group->keywords;

  // get video player URL
  $attrs = $media->group->player->attributes();
  $obj->watchURL = $attrs['url']; 
  
  // get video thumbnail
  $attrs = $media->group->thumbnail[0]->attributes();
  $obj->thumbnailURL = $attrs['url']; 
     
  // get <yt:duration> node for video length
  $yt = $media->children('http://gdata.youtube.com/schemas/2007');
  $attrs = $yt->duration->attributes();
  $obj->length = $attrs['seconds']; 
  
  // get <yt:stats> node for viewer statistics
  $yt = $entry->children('http://gdata.youtube.com/schemas/2007');
  $attrs = $yt->statistics->attributes();
  $obj->viewCount = $attrs['viewCount'];
  $obj->favoriteCount = $attrs['favoriteCount'];

  // get <yt:stats> node for viewer statistics
  $yt = $entry->children('http://gdata.youtube.com/schemas/2007');
  $obj->username = $entry->author->name; 
  $obj->published = $entry->published;
  
  // get <gd:rating> node for video ratings
  $gd = $entry->children('http://schemas.google.com/g/2005'); 
  if ($gd->rating) { 
    $attrs = $gd->rating->attributes();
    $obj->rating = $attrs['average']; 
	$obj->numrating = $attrs['numRaters'];
  } else {
    $obj->rating = 0;         
  }
    
  // get <gd:comments> node for video comments
  $gd = $entry->children('http://schemas.google.com/g/2005');
  if ($gd->comments->feedLink) { 
    $attrs = $gd->comments->feedLink->attributes();
    $obj->commentsURL = $attrs['href']; 
    $obj->commentsCount = $attrs['countHint']; 
  }
  
  // get feed URL for video responses
  $entry->registerXPathNamespace('feed', 'http://www.w3.org/2005/Atom');
  $nodeset = $entry->xpath("feed:link[@rel='http://gdata.youtube.com/schemas/
  2007#video.responses']"); 
  if (count($nodeset) > 0) {
    $obj->responsesURL = $nodeset[0]['href'];      
  }
     
  // get feed URL for related videos
  $entry->registerXPathNamespace('feed', 'http://www.w3.org/2005/Atom');
  $nodeset = $entry->xpath("feed:link[@rel='http://gdata.youtube.com/schemas/
  2007#video.related']"); 
  if (count($nodeset) > 0) {
    $obj->relatedURL = $nodeset[0]['href'];      
  }

  // return object to caller  
  return $obj;      
}
?>