joomla-k2.php

<?php
/*
// "K2 Tools" Module by JoomlaWorks for Joomla! 1.5.x - Version 2.1
// Copyright (c) 2006 - 2009 JoomlaWorks Ltd. All rights reserved.
// Released under the GNU/GPL license: http://www.gnu.org/copyleft/gpl.html
// More info at http://www.joomlaworks.gr and http://k2.joomlaworks.gr
// Designed and developed by the JoomlaWorks team
// *** Last update: September 9th, 2009 ***
*/
//*****/
//the key part is: `<?php echo str_replace(' ','+',$tag->link); ?>`
//*****/
// no direct access
defined('_JEXEC') or die('Restricted access');

?>

<div id="k2ModuleBox<?php echo $module->id; ?>" class="k2TagCloudBlock <?php echo $params->get('moduleclass_sfx'); ?>">
        <?php foreach ($tags as $tag): ?>
        <?php if(!empty($tag->tag)): ?>
        <a href="<?php echo str_replace(' ','+',$tag->link); ?>" style="font-size:<?php echo $tag->size; ?>%" title="<?php echo $tag->count.' '.JText::_('items tagged with').' '.$tag->tag; ?>">
                <?php echo $tag->tag; ?>
        </a>
        <?php endif; ?>
        <?php endforeach; ?>
        <div class="clr"></div>
</div>