Miscellany

<?php
/*
Plugin Name: FirstRSS
Plugin URI: http://www.underjc.com/node/13
Description: FirstRSS is a simple RSS aggregator for posts. Insert &quot;[rsspara:URL]&quot; or &quot;[rsslist:URL]&quot; into the post for paragraph or list format respectively. Replace &quot;URL&quot; with the URL of the RSS feed starting with &quot;http://&quot;.
Author: Chris Hatcher
Author URI: http://www.UnderJC.com
Version: 7.2.1
*/

function ujc_firstrss($content) {

	// --- Initialize ---
	require_once (ABSPATH . WPINC . '/rss-functions.php');

	// --- Arrays ---
	$find[] = "";
	$replace[] = "";

	// --- Search ---
	// Find all "[rsslist:*]" and "[rsspara:*]"
	preg_match_all('/\[rss(list|para):(\S+)\]/', $content, $matches, PREG_SET_ORDER);

	// --- Display Credits? ---
	$used = false;

	// For each one you find...
	foreach ($matches as $val) {
		$url = html_entity_decode($val[2]);

		// --- Syntax Display ---
		if (strtoupper($url) == "URL") {
			$disp = $val[0];

		// --- Get RSS ---
		} elseif ($rss = fetch_rss($url)) {

				// --- Display Credits? ---
				$used = true;
				$disp = "\n<!-- FirstRSS -->\n";

				// --- Paragraph format ---
				if ($val[1] == 'para') {

					// Image
					if ($rss->image[url] != '') {
						$title = $rss->image[title];
						$link = htmlentities($rss->image[link]);
						$url = $rss->image[url];
						$disp .= "\t<a href='$link'><img src='$url' alt='$title' /></a><br />\n";
					}
					
					// Title, copyright, and description

					$title = $rss->channel[title];
					$copy = $rss->channel[copyright];
					$link = htmlentities($rss->channel[link]);
					$desc = $rss->channel[description];

					$disp .= "\t<big><a href='$link'>$title</a></big><br />\n";
					if ($copy != '') $disp .= "\t<small>$copy</small><br />\n";
					if ($desc != '') $disp .= "\t$desc<br />\n";
					$disp .= "\n\t<br />\n";

					// For each item...
					foreach($rss->items as $item) {
						$title = $item[title];
						$link = htmlentities($item[link]);
						$desc = $item[description];

						if ($title != '') $disp .= "\t<b><a href='$link'>$title</a></b>\n<br />";
						if ($desc  != '') $disp .= "\t$desc\n<br />";
					}

				// --- List format ---
				} elseif ($val[1] == 'list') {

					// Feed title, description, link, & copyright
					$title = $rss->channel[title];
					$link = htmlentities($rss->channel[link]);
					$copy = $rss->channel[copyright];

					$disp .= "\t<big><a href='$link'>$title</a></big><br />\n";
					if ($copy != '') $disp .= "\t<small>$copy</small><br />\n";
					$disp .= "\n\t<br />\n";

					// Item title, description, & link
					foreach($rss->items as $item) {
						$title = $item[title];
						$link = htmlentities($item[link]);

						if ($title != '') $disp .= "\t<a href='$link'>$title</a><br />\n";
					}
				}

		// --- Not Found ---
		} else {
			$disp = "\nFirstRSS ERROR: &quot;$url&quot; NOT FOUND!<br />\n";
		}

		// --- Replace ---
		$find[] = $val[0];
		$replace[] = $disp;
	}

	// --- Display Credits? ---
	// Yes, you can remove this line.  If I were you, I would.  Any questions?
	if ($used) $appendage .= "\n<p align='center'><small>Powered by <a href='http://www.underjc.com/firstrss/' " 
		. "title='UnderJC.com'>FirstRSS Plugin</a></small></p>\n";

	// --- Return ---
	return str_replace($find, $replace, $content) . $appendage;
}

// --- Filter ---
add_filter('the_content', 'ujc_firstrss');

?>