Latest Tweets Widget - Add Follow Button

latest-tweets-follow-button.php

/***************************************************************
* Function seis_tweets_follow_buttons()
* Adds follow buttons using images from theme image folder with
* names based on the twitter handle given in the widget.
***************************************************************/
function seis_tweets_follow_buttons( $items, $screen_name ) {
	
	/* make the screen name lower case */
	$screen_name = strtolower( $screen_name );
	
	/* build the link to follow */
	$follow_url = 'http://twitter.com/' . $screen_name;
	
	/* get the image url from theme images based on screen name */
	$img_url = get_stylesheet_directory_uri() . '/images/follow-button-' . $screen_name . '.png';
	
	/* generate button with link */
	$button = '<div class="follow"><a class="follow-link" href="' . esc_url( $follow_url ) . '"><img src="' . esc_url( $img_url ) . '" alt="Follow ' . $screen_name . ' on Twitter" class="follow-img" /></a></div>';
	
	$new_items = '';
	
	/* loop through the items list */
	foreach( $items as $item ) {
		
		/* add item string to new items */
		$new_items .= '<div class="tweet-wrap">' . $item . '</div>';
		
	}
	
	/* add button to end of items */
	$new_items = $new_items . $button;
	
	return $new_items;
		
}

add_filter('latest_tweets_render_list', 'seis_tweets_follow_buttons', 10, 2 );