username.php

完美的在线教育系统

<?php
/*
==============================================================================
	Dokeos - elearning and course management software
	
	Copyright (c) 2004-2005 Dokeos S.A.
	Copyright (c) Bart Mollet, Hogeschool Gent
	
	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]
==============================================================================
*/
require_once ('HTML/QuickForm/Rule.php');
/**
 * QuickForm rule to check if a username is of the correct format
 */
class HTML_QuickForm_Rule_Username extends HTML_QuickForm_Rule
{
	/**
	 * Function to check if a username is of the correct format
	 * @see HTML_QuickForm_Rule
	 * @param string $username Wanted username
	 * @return boolean True if username is of the correct format
	 */
	function validate($username)
	{
		$filtered_username = eregi_replace('[^a-z0-9_.-@-]', '_', strtr($username, '锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟