class WP_Widget_RSS_UNLINK extends WP_Widget {

	function __construct() {
		$widget_ops = array( 'description' => __('Entries from any RSS or Atom feed.') );
		$control_ops = array( 'width' => 400, 'height' => 200 );
		parent::__construct( 'rss', __('RSS UNLINK'), $widget_ops, $control_ops );
	}

	function widget($args, $instance) {
		if ( isset($instance['error']) && $instance['error'] ) return;
		extract($args, EXTR_SKIP);

		$url = ! empty( $instance['url'] ) ? $instance['url'] : '';
		while ( stristr($url, 'http') != $url )
			$url = substr($url, 1);

		if ( empty($url) ) return;

		if ( in_array( untrailingslashit( $url ), array( site_url(), home_url() ) ) ) return;

		$rss = fetch_feed($url);
		$title = $instance['title'];
		$desc = '';
		$link = '';

		if ( ! is_wp_error($rss) ) {
			$desc = esc_attr(strip_tags(@html_entity_decode($rss->get_description(), ENT_QUOTES, get_option('blog_charset'))));
			if ( empty($title) ) $title = esc_html(strip_tags($rss->get_title()));
			$link = esc_url(strip_tags($rss->get_permalink()));
			while ( stristr($link, 'http') != $link )
				$link = substr($link, 1);
		}

		if ( empty($title) ) $title = empty($desc) ? __('Unknown Feed') : $desc;

		$title = apply_filters('widget_title', $title, $instance, $this->id_base);
		$url = esc_url(strip_tags($url));

		echo $before_widget;
		if ( $title ) echo $before_title . $title . $after_title;
		wp_widget_rss_output( $rss, $instance );
		echo $after_widget;

		if ( ! is_wp_error($rss) ) $rss->__destruct();
		unset($rss);
	}

	function update($new_instance, $old_instance) {
		$testurl = ( isset( $new_instance['url'] ) && ( !isset( $old_instance['url'] ) || ( $new_instance['url'] != $old_instance['url'] ) ) );
		return wp_widget_rss_process( $new_instance, $testurl );
	}

	function form($instance) {

		if ( empty($instance) )
			$instance = array( 'title' => '', 'url' => '', 'items' => 10, 'error' => false, 'show_summary' => 0, 'show_author' => 0, 'show_date' => 0 );
		$instance['number'] = $this->number;

		wp_widget_rss_form( $instance );
	}
}
add_action( 'widgets_init', create_function( '', "register_widget('WP_Widget_RSS_UNLINK');" ) );