rss-bridge/bridges/CarThrottleBridge.php

<?php
class CarThrottleBridge extends FeedExpander {
	const NAME = 'Car Throttle ';
	const URI = 'https://www.carthrottle.com';
	const DESCRIPTION = 'Get the latest car-related news from Car Throttle.';
	const MAINTAINER = 't0stiman';

	public function collectData() {
		$this->collectExpandableDatas('https://www.carthrottle.com/rss', 10);
	}

	protected function parseItem($feedItem) {
		$item = parent::parseItem($feedItem);

		//fetch page
		$articlePage = getSimpleHTMLDOMCached($feedItem->link)
			or returnServerError('Could not retrieve ' . $feedItem->link);

		$subtitle = $articlePage->find('p.standfirst', 0);
		$article = $articlePage->find('div.content_field', 0);

		$item['content'] = str_get_html($subtitle . $article);

		//convert <iframe>s to <a>s. meant for embedded videos.
		foreach($item['content']->find('iframe') as $found) {

			$iframeUrl = $found->getAttribute('src');

			if ($iframeUrl) {
				$found->outertext = '<a href="' . $iframeUrl . '">' . $iframeUrl . '</a>';
			}
		}

		//remove scripts from the text
		foreach ($item['content']->find('script') as $remove) {
			$remove->outertext = '';
		}

		return $item;
	}
}