tablesort.lib.php

完美的在线教育系统

<?php
/*
============================================================================== 
	Dokeos - elearning and course management software
	
	Copyright (c) 2004-2008 Dokeos S.A.
	Copyright (c) 2003 Ghent University (UGent)
	Copyright (c) 2001 Universite catholique de Louvain (UCL)
	Copyright (c) Bart Mollet ([e-mail])
	
	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".
	
	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.
	
	See the GNU General Public License for more details.
	
	Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
	Mail: [e-mail]
============================================================================== 
*/
/**
============================================================================== 
*	This is a library with some functions to sort tabular data
*
*	@package dokeos.library
============================================================================== 
*/
define('SORT_DATE', 3);
define('SORT_IMAGE',4);
class TableSort
{
	/**
	 * String to lowercase (keep accents).
	 * @param string $txt The string to convert
	 * @author Ren锟