q1x/rss_strip_random.php

## rss_strip_random.php
<?php

// define the namespaces that we are interested in
$ns = array
(
        'content' => 'http://purl.org/rss/1.0/modules/content/',
        'wfw' => 'http://wellformedweb.org/CommentAPI/',
        'dc' => 'http://purl.org/dc/elements/1.1/'
);

// obtain the articles in the feeds, and construct an array of articles

$articles = array();

// step 1: get the feed
if($_GET['url']) {
$blogs_urls = explode(",", $_GET['url']);
$blog_url = $blogs_urls[array_rand($blogs_urls)];
} else {
$blog_url = 'http://devopsreactions.tumblr.com/rss';
}

$rawFeed = file_get_contents($blog_url);
$xml = new SimpleXmlElement($rawFeed);

// step 2: extract the channel metadata

$channel = array();
$channel['title']       = $xml->channel->title;
$channel['link']        = $xml->channel->link;
$channel['description'] = $xml->channel->description;
$channel['pubDate']     = $xml->pubDate;
$channel['timestamp']   = strtotime($xml->pubDate);
$channel['generator']   = $xml->generator;
$channel['language']    = $xml->language;

// step 3: extract the articles

foreach ($xml->channel->item as $item)
{
        $article = array();
//        $article['channel'] = $blog;
        $article['title'] = $item->title;
        $article['link'] = $item->link;
        $article['comments'] = $item->comments;
        $article['pubDate'] = $item->pubDate;
        $article['timestamp'] = strtotime($item->pubDate);
        $article['description'] = (string) trim($item->description);
        $article['isPermaLink'] = $item->guid['isPermaLink'];

        // get data held in namespaces
        $content = $item->children($ns['content']);
        $dc      = $item->children($ns['dc']);
        $wfw     = $item->children($ns['wfw']);

        $article['creator'] = (string) $dc->creator;
        foreach ($dc->subject as $subject)
                $article['subject'][] = (string)$subject;

        $article['content'] = (string)trim($content->encoded);
        $article['commentRss'] = $wfw->commentRss;

        // add this article to the list
        $articles[$article['timestamp']] = $article;
}

// at this point, $channel contains all the metadata about the RSS feed,
// and $articles contains an array of articles for us to repurpose

echo "<HTML><BODY><CENTER><H3>";
echo $channel['title'][0];
echo "</H3>";
$randomkey = array_rand($articles);
echo $articles[$randomkey]['title'][0];
echo "<br>";
echo $articles[$randomkey]['description'];
echo "</CENTER></BODY></HTML>";
?>
	<?php

	// define the namespaces that we are interested in
	$ns = array
	(
	'content' => 'http://purl.org/rss/1.0/modules/content/',
	'wfw' => 'http://wellformedweb.org/CommentAPI/',
	'dc' => 'http://purl.org/dc/elements/1.1/'
	);

	// obtain the articles in the feeds, and construct an array of articles

	$articles = array();

	// step 1: get the feed
	if($_GET['url']) {
	$blogs_urls = explode(",", $_GET['url']);
	$blog_url = $blogs_urls[array_rand($blogs_urls)];
	} else {
	$blog_url = 'http://devopsreactions.tumblr.com/rss';
	}

	$rawFeed = file_get_contents($blog_url);
	$xml = new SimpleXmlElement($rawFeed);

	// step 2: extract the channel metadata

	$channel = array();
	$channel['title'] = $xml->channel->title;
	$channel['link'] = $xml->channel->link;
	$channel['description'] = $xml->channel->description;
	$channel['pubDate'] = $xml->pubDate;
	$channel['timestamp'] = strtotime($xml->pubDate);
	$channel['generator'] = $xml->generator;
	$channel['language'] = $xml->language;

	// step 3: extract the articles

	foreach ($xml->channel->item as $item)
	{
	$article = array();
	// $article['channel'] = $blog;
	$article['title'] = $item->title;
	$article['link'] = $item->link;
	$article['comments'] = $item->comments;
	$article['pubDate'] = $item->pubDate;
	$article['timestamp'] = strtotime($item->pubDate);
	$article['description'] = (string) trim($item->description);
	$article['isPermaLink'] = $item->guid['isPermaLink'];

	// get data held in namespaces
	$content = $item->children($ns['content']);
	$dc = $item->children($ns['dc']);
	$wfw = $item->children($ns['wfw']);

	$article['creator'] = (string) $dc->creator;
	foreach ($dc->subject as $subject)
	$article['subject'][] = (string)$subject;

	$article['content'] = (string)trim($content->encoded);
	$article['commentRss'] = $wfw->commentRss;

	// add this article to the list
	$articles[$article['timestamp']] = $article;
	}

	// at this point, $channel contains all the metadata about the RSS feed,
	// and $articles contains an array of articles for us to repurpose

	echo "<HTML><BODY><CENTER><H3>";
	echo $channel['title'][0];
	echo "</H3>";
	$randomkey = array_rand($articles);
	echo $articles[$randomkey]['title'][0];
	echo "<br>";
	echo $articles[$randomkey]['description'];
	echo "</CENTER></BODY></HTML>";
	?>