/*
RSS extractor and Displayer
(c) 2007 Scriptol.com - Licence Mozilla 1.1.
rsslib.php
Requirements:
- PHP 5.
- A RSS feed.
Using the library:
Insert this code into the page that displays the RSS feed:
<?php
require_once("rsslib.php");
echo RSS_Display("http://www.xul.fr/rss.xml", 25);
?>
*/
$RSS_Content = array();
function RSS_Tags($item, $type)
{
$y = array();
$TNL = $item->getElementsByTagName("title");
$tnl = $tnl->item(0);
$title = $tnl->firstChild->data;
$tnl = $item->getElementsByTagName("link");
$tnl = $tnl->item(0);
$link = $tnl->firstChild->data;
$tnl = $item->getElementsByTagName("description");
$tnl = $tnl->item(0);
$description = $tnl->firstChild->data;
$y["title"] = $title;
$y["link"] = $link;
$y["description"] = $description;
$y["type"] = $type;
return $y;
}
function RSS_Channel($channel)
{
global $RSS_Content;
$items = $channel->getElementsByTagName("item");
// Processing channel
$y = RSS_Tags($channel, 0); // get description of channel, type 0
array_push($RSS_Content, $y);
// Processing articles
foreach($items as $item)
{
$y = RSS_Tags($item, 1); // get description of article, type 1
array_push($RSS_Content, $y);
}
}
function RSS_Retrieve($url)
{
global $RSS_Content;
$doc = new DomDocument();
$doc->load($url);
$channels = $doc->getElementsByTagName("channel");
$RSS_Content = array();
foreach($channels as $channel)
{
RSS_Channel($channel);
}
}
function RSS_RetrieveLinks($url)
{
global $RSS_Content;
$doc = new DOMDocument();
$doc->load($url);
$channels = $doc->getElementsByTagName("channel");
$RSS_Content = array();
foreach($channels as $channel)
{
$items = $channel->getElementsByTagName("item");
foreach($items as $item)
{
$y = RSS_Tags($item, 1); // get description of article, type 1
array_push($RSS_Content, $y);
}
}
}
function RSS_Links($url, $size)
{
global $RSS_Content;
$page = "<ul>";
RSS_RetrieveLinks($url);
if($size > 0)
$recents = array_slice($RSS_Content, 0, $size);
foreach($recents as $article)
{
$type = $article["type"];
if($type == 0) continue;
$title = $article["title"];
$link = $article["link"];
$page .= "<li><a href=\"$link\">$title</a></li>\n";
}
$page .="</ul>\n";
return $page;
}
function RSS_Display($url, $size)
{
global $RSS_Content;
$opened = false;
$page = "";
RSS_Retrieve($url);
if($size > 0)
$recents = array_slice($RSS_Content, 0, $size);
foreach($recents as $article)
{
$type = $article["type"];
if($type == 0)
{
if($opened == true)
{
$page .="</ul>\n";
$opened = false;
}
$page .="<b>";
}
else
{
if($opened == false)
{
$page .= "<ul>\n";
$opened = true;
}
}
$title = $article["title"];
$link = $article["link"];
$description = $article["description"];
$page .= "<li><a href=\"$link\">$title</a>";
if($description != false)
{
$page .= "<br>$description";
}
$page .= "</li>\n";
if($type==0)
{
$page .="</b><br />";
}
}
if($opened == true)
{
$page .="</ul>\n";
}
return $page."\n";
}
?>
