root/trunk/framework/Web/THttpUtility.php

<?php
/**
 * THttpUtility class file
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2008 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id$
 * @package System.Web
 */

/**
 * THttpUtility class
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @version $Id$
 * @package System.Web
 * @since 3.0
 */
class THttpUtility
{
    private static $_encodeTable=array('<'=>'&lt;','>'=>'&gt;','"'=>'&quot;');
    private static $_decodeTable=array('&lt;'=>'<','&gt;'=>'>','&quot;'=>'"');

    /**
     * HTML-encodes a string.
     * This method translates the following characters to their corresponding
     * HTML entities: <, >, "
     * Note, unlike {@link htmlspeicalchars}, & is not translated.
     * @param string string to be encoded
     * @return string encoded string
     */
    public static function htmlEncode($s)
    {
        return strtr($s,self::$_encodeTable);
    }

    /**
     * HTML-decodes a string.
     * It is the inverse of {@link htmlEncode}.
     * @param string string to be decoded
     * @return string decoded string
     */
    public static function htmlDecode($s)
    {
        return strtr($s,self::$_decodeTable);
    }
}

?>