<?php
/*

This script demonstrates how to use PHP5's implementation
of DOM to generate a valid RSS 2.0 document.

all code and comments are copyright 2005 thousandrobots.com.

this code is free software released under the terms of the GNU GPL. 
See http://thousandrobots.com/gpl/ for more details.

ADM
2005-02-06

*/

//create xml doc
$doc = new DOMDocument("1.0");

//create the rss element
$root = $doc->createElement('rss');
$root = $doc->appendChild($root);
$root->setAttribute('version','2.0');

//create the channel element
$channel = $doc->createElement("channel");
$channel = $root->appendChild($channel);

$elements = array();
$elements["title"] = "my feed's title";
$elements["link"] = "http://mydomain.com/index.rss";
$elements["description"] = "Demonstration feed created using PHP5 and the DOM extension. The php script that generated this document can be found at: http://thousandrobots.com/dev/xml/dom/auto.phps";
$elements["language"] = "en-us";
$elements["copyright"] = "copyright 2005 thousandrobots.com";
$elements["docs"] = "http://backend.userland.com/rss";
$elements["generator"] = "thousand robots dom-based rss generator";
$elements["managingEditor"] = "editor@spam.thousandrob0ts.com (ADM)";
$elements["webMaster"] = "webmaster@spam.thousandrob0ts.com (ADM)";
$elements["lastBuildDate"] = "Sat, 05 Feb 2005 23:39:07 EST";

foreach ($elements as $elementname => $elementvalue)
{
 $elementname = $doc->createElement($elementname);
 $elementname = $channel->appendChild($elementname);
 $elementname->appendChild($doc->createTextNode($elementvalue));
}

//clear the array
unset($elements);

//now create the first feed item
//instead, you could just pull some items from a db into an elements[] array.
$elements[0]["title"] = "title of first item";
$elements[0]["description"] = "a short description of the first item";
$elements[0]["link"] = "http://thousandrobots.com/?article=1";
$elements[0]["author"] = "author@spam.thousandrob0ts.com (ADM)";
$elements[0]["pubDate"] = "Sat, 05 Feb 2005 23:39:07 EST";
$elements[0]["category"] = "tech";
$elements[0]["guid"] = "http://thousandrobots.com/?article=1";

//create the other items
$elements[1]["title"] = "title of next item";
$elements[1]["description"] = "a short description of the next item";
$elements[1]["link"] = "http://thousandrobots.com/?article=N";
$elements[1]["author"] = "author@spam.thousandrob0ts.com (ADM)";
$elements[1]["pubDate"] = "Sat, 05 Feb 2005 22:39:07 EST";
$elements[1]["category"] = "tech";
$elements[1]["guid"] = "http://thousandrobots.com/?article=N";

//loop through each item and add its elements to the tree
foreach ($elements as $element)
{
	//create the item element
	$item = $doc->createElement("item");
	$item = $channel->appendChild($item);
	
	foreach ($element as $elementname => $elementvalue)
	{
		$elementname = $doc->createElement($elementname);
 		$elementname = $item->appendChild($elementname);
 		$elementname->appendChild($doc->createTextNode($elementvalue));
	}
}

//output the xml
header('Content-Type: text/xml');
echo $doc->saveXML();

?>