Скрипт для Яндекс.Новостей

<?php
 
$feedURL = "http://site.ru/rss/content/2/feed.rss";
 
$channelTitle = "Мой сайт";
$channelDescription = "Мой любимый информационный сайт";
$channelImage = 'http://site.ru/site.gif';
 
$feed = file_get_contents($feedURL);
 
$dom = new domDocument;
$dom->preserveWhiteSpace = false;
$dom->formatOutput = true;
$dom->loadXML($feed);
if (!$dom)
{
    echo "Error parsing original feed\n";
    exit;
}
 
$rss = $dom->getElementsByTagName('rss')->item(0);
$channel = $rss->getElementsByTagName('channel')->item(0);
$title = $channel->getElementsByTagName('title')->item(0);
if ($title->hasChildNodes()) { $title->removeChild($title->firstChild); }
$title->appendChild(new DOMText($channelTitle));
 
$description = $channel->getElementsByTagName('description')->item(0);
if ($description->hasChildNodes()) { $description->removeChild($description->firstChild); }
$description->appendChild(new DOMText($channelDescription));
 
$firstItem = $channel->getElementsByTagName('item')->item(0);
 
$image = $dom->createElement('image');
$imageUrl = $dom->createElement('url');
$imageUrl->appendChild(new DOMText($channelImage));
$imageAlt = $dom->createElement('title');
$imageAlt->appendChild(new DOMText($channelTitle));
$imageLink = $dom->createElement('link');
$imageLink->appendChild(new DOMText($feedURL));
$image->appendChild($imageUrl);
$image->appendChild($imageAlt);
$image->appendChild($imageLink);
$channel->insertBefore($image, $firstItem);
 
$toDelete = array();
$items = $channel->getElementsByTagName('item');
for ($i = 0; $i < $items->length; $i++)
{
    $item = $items->item($i);
 
    $date = $item->getElementsByTagName('pubDate')->item(0)->textContent;
    $timediff = time() - strtotime($date);
    if ($timediff > 60*60*24*8)
    {
        $toDelete[] = $item;
    }
    else
    {
        $link = $item->getElementsByTagName('link')->item(0);
        $pdalink = $dom->createElement('pdalink');
        $pdalink->appendChild(new DOMText($link->textContent));
        $item->insertBefore($pdalink, $link);
 
        $item->removeChild($item->getElementsByTagName('category')->item(0));
        $item->removeChild($item->getElementsByTagName('author')->item(0));
 
 
        $pageContent = file_get_contents($link->textContent);
 
        if (preg_match("/class=\"con_text\"/", $pageContent, $matches, PREG_OFFSET_CAPTURE))
        {
            if (preg_match("/<p/", $pageContent, $matches, PREG_OFFSET_CAPTURE, $matches[0][1]))
            {
                $h3Found = preg_match("/<h3>Похожие статьи:/", $pageContent, $h3matches, PREG_OFFSET_CAPTURE, $matches[0][1]);
                $divendFound = preg_match("/\/div/", $pageContent, $divendmatches, PREG_OFFSET_CAPTURE, $matches[0][1]);
                if ($h3Found)
                {
                    $end = min($h3matches[0][1], $divendmatches[0][1]);
                }
                else
                {
                    $end = $divendmatches[0][1];
                }
 
                $fulltext = iconv('cp1251', 'utf8', strip_tags(substr($pageContent, $matches[0][1], $end - $matches[0][1])));
                #$fulltext = html_entity_decode($fulltext);
 
                $fulltexttag = $dom->createElement('yandex:full-text');
                $fulltexttag->appendChild(new DOMText($fulltext));
                $item->appendChild($fulltexttag);
 
#            print "==================\n";
#            print $fulltext;
#            print "==================\n";
#            break;
            }
        }
    }
}
 
foreach ($toDelete as $item)
{
    $channel->removeChild($item);
}
 
$dom->encoding = 'utf-8';
$yarss = $dom->saveXML();
file_put_contents('yarss.xml', $yarss);
 
 echo "Всё ок"?>