// VARIABLES
// channel vars
var $channel_url;
var $channel_title;
var $channel_description;
var $channel_lang;
var $channel_copyright;
var $channel_date;
var $channel_creator;
var $channel_subject;
// image
var $image_url;
// items
var $items = array();
var $nritems;
// FUNCTIONS
// constructor
function RSSFeed() {
$this->nritems=0;
$this->channel_url='';
$this->channel_title='';
$this->channel_description='';
$this->channel_lang='';
$this->channel_copyright='';
$this->channel_date='';
$this->channel_creator='';
$this->channel_subject='';
$this->image_url='';
}
// set channel vars
function SetChannel($url, $title, $description, $lang, $copyright, $creator, $subject) {
$this->channel_url=$url;
$this->channel_title=$title;
$this->channel_description=$description;
$this->channel_lang=$lang;
$this->channel_copyright=$copyright;
$this->channel_date=date("Y-m-d").'T'.date("H:i:s").'+01:00';
$this->channel_creator=$creator;
$this->channel_subject=$subject;
}
// set image
function SetImage($url) {
$this->image_url=$url;
}
// set item
function SetItem($url, $title, $description) {
$this->items[$this->nritems]['url']=$url;
$this->items[$this->nritems]['title']=$title;
$this->items[$this->nritems]['description']=$description;
$this->nritems++;
}
// output feed
function Output() {
$output = '<?xml version="1.0" encoding="iso-8859-1"?>'."\n";
$output .= '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:syn="http://purl.org/rss/1.0/modules/syndication/" xmlns:admin="http://webns.net/mvcb/" xmlns:feedburner="http://rssnamespace.org/feedburner/ext/1.0">'."\n";
$output .= '<channel rdf:about="'.$this->channel_url.'">'."\n";
$output .= '<title>'.$this->channel_title.'</title>'."\n";
$output .= '<link>'.$this->channel_url.'</link>'."\n";
$output .= '<description>'.$this->channel_description.'</description>'."\n";
$output .= '<dc:language>'.$this->channel_lang.'</dc:language>'."\n";
$output .= '<dc:rights>'.$this->channel_copyright.'</dc:rights>'."\n";
$output .= '<dc:date>'.$this->channel_date.'</dc:date>'."\n";
$output .= '<dc:creator>'.$this->channel_creator.'</dc:creator>'."\n";
$output .= '<dc:subject>'.$this->channel_subject.'</dc:subject>'."\n";
$output .= '<items>'."\n";
$output .= '<rdf:Seq>';
for($k=0; $k<$this->nritems; $k++) {
$output .= '<rdf:li rdf:resource="'.$this->items[$k]['url'].'"/>'."\n";
};
$output .= '</rdf:Seq>'."\n";
$output .= '</items>'."\n";
$output .= '<image rdf:resource="'.$this->image_url.'"/>'."\n";
$output .= '</channel>'."\n";
for($k=0; $k<$this->nritems; $k++) {
$output .= '<item rdf:about="'.$this->items[$k]['url'].'">'."\n";
$output .= '<title>'.$this->items[$k]['title'].'</title>'."\n";
$output .= '<link>'.$this->items[$k]['url'].'</link>'."\n";
$output .= '<description>'.$this->items[$k]['description'].'</description>'."\n";
$output .= '<feedburner:origLink>'.$this->items[$k]['url'].'</feedburner:origLink>'."\n";
$output .= '</item>'."\n";
};
$output .= '</rdf:RDF>'."\n";
return $output;
}
};
Use the class this way:
$myfeed = new RSSFeed();
$myfeed->SetChannel('http://www.yousite.com/site-feed.xml', 'Title of your site', 'description of your site', 'en-us', 'Copyright applies', 'author', 'type of site');
$myfeed->SetImage('http://www.yoursite.com/logo.gif');
//here is an example using mysql to receive information
$sql = "select id, title, content, date from table order by date desc";
$result = mysql_query($sql);
while ($row = mysql_fetch_array($result)) {
$link = "http://www.yourstory.com/index.php?s=".$row[0];
//strip all html tags
$description = strip_tags($row[2]);
$myfeed->SetItem($link,$row[1],$description);
}
$out = $myfeed->output();
//you have two options, you can just echo the feed or same it as an xml file in your server
// echo $out;
$file = "site-feed.xml";
$fh = fopen($file,'w');
fwrite($fh,$out);
fclose($fh);
////End of code////
//Validate your rss feed: http://feedvalidator.org
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