File Source for modifier.footnotes.php

<?php
/**
* Zikula Application Framework
*
* @copyright (c) 2001, Zikula Development Team
* @link http://www.zikula.org
* @version $Id: modifier.footnotes.php 24350 2008-06-06 15:59:07Z markwest $
* @license GNU/GPL - http://www.gnu.org/copyleft/gpl.html
*
* Xanthia plugin
*
* This file is a plugin for Xanthia, the Zikula implementation of Smarty
*
* @package Xanthia_Templating_Environment
* @subpackage Xanthia
*/
/**
* Smarty modifier to convert urls into footnote references for printable page
*
* File: modifier.footnotes.php
* Type: modifier
* Name: footnotes
* Date: Feb 23, 2005
* Purpose: Generate footnotes for printable page
* @author Jochen Roemling
* @author Mark West
* @version 1.3
* @param string
* @param Smarty
*/
function smarty_modifier_footnotes($string)
{
// globalise the links array
global $link_arr;
$link_arr = array();
// replace the links
$text = preg_replace_callback('/<a [^>]*href\s*=\s*\"?([^>\"]*)\"?[^>]*>(.*?)<\/a.*?>/i','_smarty_modifier_footnotes_callback',$string);
return $text;
}
function _smarty_modifier_footnotes_callback($arr)
{
// globalise the links array
global $link_arr;
// remember the link
// TODO - work out why some links need decoding twice (&amp;....)
$link_arr[] = html_entity_decode(html_entity_decode($arr[1]));
// return the replaced link
return ''.$arr[2].' ['.count($link_arr).']';
}

Source for file modifier.footnotes.php