Display RSS Feed in WordPress

display-rss-feed.php

/**
	 * Display RSS feed
	 *  - can be called via shortcode     
	 */
  function display_rss_feed($args) {
    extract(shortcode_atts(array(
  		"rssurl" => 'http://incontactunitedchurch.blogspot.com/feeds/posts/default?alt=rss'
  	), $atts));
  	
    // Get a SimplePie feed object from the specified feed source.
    $rss = fetch_feed( $rssurl );
    
    if ( ! is_wp_error( $rss ) ) : // Checks that the object is created correctly
    
        // Figure out how many total items there are, but limit it to 5. 
        $maxitems = $rss->get_item_quantity( 5 ); 
    
        // Build an array of all the items, starting with element 0 (first element).
        $rss_items = $rss->get_items( 0, $maxitems );
    
    endif;
    
    $result = '';
    
    if ( $maxitems == 0 ) :
      $result .= '<article class="rssfeed">';
      $result .= '<h2>'.__( 'No items' ).'</h2>';
      $result .= '</article>';
    else :
         // Loop through each feed item and display each item as a hyperlink.
      foreach ( $rss_items as $item ) :
          $result .= '<article class="rssfeed">';
          $result .= '<h2>';
          $result .= '<a href="'.esc_url( $item->get_permalink() ).'" title="'.__( 'Posted ' ).$item->get_date('j F Y | g:i a').'">';
          $result .= esc_html( $item->get_title() );
          $result .= '</a>';
          $result .= '</h2>';
          
          $authorname = '';
          if ($author = $item->get_author()) {
              //If blogspot.com in url then get name from email
            if( strpos($rssurl, 'blogspot.com') ) {
              $authorname = $author->get_email();
              $namestarts = strpos($authorname, '(')+1;
              $namelength = strlen($authorname)-$namestarts-1;
              $authorname = substr( $authorname, $namestarts, $namelength);
            } else {
            	$authorname = $author->get_name();
            }
        	}

          $result .= '<p class="post-meta">'.__('by ').$authorname.' | '.$item->get_date('M d, Y').'</p>';
          $result .= '<div class="rsscontent">'.$item->get_content().'</div>';
          $result .= '</article>';
      endforeach;
    endif;   
    
    return $result;       
  }
  add_shortcode('displayRSSfeed', 'display_rss_feed');