Forum

<?php
/*
    Atom and RSS Extractor and Displayer
    (c) 2007  Scriptol.com - Licence Mozilla 1.1.
    commonlib.php
*/
 
$Common_Content = array();
$Common_Style ="p";
$Common_Date_Font = "size='-1'";
 
function RSS_Tags($item, $type)
{
    global $Common_Content;
 
    $y = array();
    $y["title"] = $item->getElementsByTagName("title")->item(0)->firstChild->data;
    $y["link"] = $item->getElementsByTagName("link")->item(0)->firstChild->data;
    $y["description"] = $item->getElementsByTagName("description")->item(0)->firstChild->data;
 
    $tnl = $item->getElementsByTagName("pubDate");
    if($tnl->length == 0)
    {
        $tnl = $item->getElementsByTagName("lastBuildDate");
    }    
    if($tnl->length != 0)
    {
        $tnl =$tnl->item(0)->firstChild->data;    
    }
    else
        $tnl = false;
 
    $y["updated"] = $tnl;    
    $y["type"] = $type;
 
    array_push($Common_Content, $y);        
}
 
 
function RSS_Channel($channel)
{
    global $Common_Content;
 
    $items = $channel->getElementsByTagName("item");
 
    // Processing channel
 
    RSS_Tags($channel, 0);        // get description of channel, type 0
 
    // Processing articles
 
    foreach($items as $item)
    {
        RSS_Tags($item, 1);    // get description of article, type 1
    }
}
 
function RSS_Retrieve($url)
{
    global $Common_Content;
 
    $doc  = new DOMDocument();
    $doc->load($url);
 
    $channels = $doc->getElementsByTagName("channel");
 
    $Common_Content = array();
 
    foreach($channels as $channel)
    {
        RSS_Channel($channel);
    }
 
    return ( count($Common_Content) > 0);    
}
 
 
 
function Atom_Tags($item)
{
    global $Common_Content;
 
    $y = array();
    $y["title"] = $item->getElementsByTagName("title")->item(0)->firstChild->data;
    $y["link"] = $item->getElementsByTagName("link")->item(0)->getAttribute("href");
    $y["description"] = $item->getElementsByTagName("summary")->item(0)->firstChild->data;
    $y["updated"] = $item->getElementsByTagName("updated")->item(0)->firstChild->data;    
    $y["type"] = 1;
 
    array_push($Common_Content, $y);        
}
 
function Atom_Feed($doc)
{
    global $Common_Content;
 
    $entries = $doc->getElementsByTagName("entry");    
 
    if($entries->length == 0) return false;
 
    // Processing feed
 
    $y = array();
    $y["title"] = $doc->getElementsByTagName("title")->item(0)->firstChild->data;
    $y["link"] = $doc->getElementsByTagName("link")->item(0)->getAttribute("href");
    $y["description"] = $doc->getElementsByTagName("subtitle")->item(0)->firstChild->data;
    $y["updated"] = $doc->getElementsByTagName("updated")->item(0)->firstChild->data;
    $y["type"] = 0;
 
    array_push($Common_Content, $y);
 
    // Processing articles
 
    foreach($entries as $entry)
    {
        Atom_Tags($entry);        // get description of article, type 1
    }
 
    return true;
}
 
 
function Atom_Retrieve($url)
{
    global $Common_Content;
 
    $doc  = new DOMDocument();
    $doc->load($url);
 
    $Common_Content = array();
 
    return Atom_Feed($doc);
 
}
 
 
 
function Common_Display($url, $size = 25, $chanopt = false, $descopt = false, $dateopt = false)
{
    global $Common_Content;
    global $Common_Style;
    global $Common_Date_Font;
 
    $opened = false;
    $page = "";
 
    if(Atom_Retrieve($url) === false)
    {
        if(RSS_Retrieve($url) === false)
        {
            return "$url empty...
";
        }    
    }    
    if($size > 0)
    {
        $size += 1;    // add one for the channel
        $recents = array_slice($Common_Content, 0, $size);
    }    
 
    foreach($recents as $article)
    {
        $type = $article["type"];
 
        if($type == 0)
        {
            if($chanopt != true) continue;
            if($opened == true)
            {
                $page .="</ul>n";
                $opened = false;
            }
            //$page .="<b>";
        }
        else
        {
            if($opened == false && $chanopt == true) 
            {
                $page .= "<ul>n";
                $opened = true;
            }
        }
        $title = $article["title"];
        $link = $article["link"];
        $page .= "<".$Common_Style."><a href="$link">$title</a>";
 
        if($descopt != false)
        {
            $description = $article["description"];
            if($description != false)
            {
                $page .= "<br>$description";
            }
        }    
        if($dateopt != false)
        {            
            $updated = $article["updated"];
            if($updated != false)
            {
                $page .= "
<font $Common_Date_Font>$updated</font>";
            }
        }    
        $page .= "</".$Common_Style.">n";            
 
        /*
        if($type == 0)
        {
            $page .="
";
        }
        */
    }
 
    if($opened == true)
    {    
        $page .="</ul>n";
    }
    return $page."n";
 
}
 
 
?>