azizhp

<?php
/*
Plugin Name: AHP Tags to Hashtags
Plugin URI: http://metablog.us
Description: when active, automatically appends all tags to the post as hashtags to the post title in the output RSS feed.
Version: 1.0
Author: Aziz H. Poonawalla
Author URI: http://metablog.us

Copyright 2009  AZIZ POONAWALLA  (email : APOONAWA dash BLOG at YAHOO dot COM)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
*/

function ahp_tags2hashtags($title) {

$taglist = "";
$posttags = get_the_tags();

if ($posttags) {

        # for each tag,
        foreach($posttags as $tag) {

                # get tag name
                $tagname = $tag->name;

                # remove spaces from tag
                $tagname = str_replace(" ","",$tagname);

                # prepend # symbol and append to hashtag list
                $taglist = $taglist . " #" . $tagname;
        }
}

$title = $title . $taglist;

return $title;

}

add_filter('the_title_rss', 'ahp_tags2hashtags');

?>