phpコードセキュリティ関連(1)-ecshopのいくつかのセキュリティ関連関数

/**
 *                   
 *
 * @access  public
 * @param   mix     $value
 *
 * @return  mix
 */
function addslashes_deep($value)
{
    if (empty($value))
    {
        return $value;
    }
    else
    {
        return is_array($value) ? array_map('addslashes_deep', $value) : addslashes($value);
    }
}

/**
 *                   
 *
 * @access  public
 * @param   mix     $value
 *
 * @return  mix
 */
function stripslashes_deep($value)
{
    if (empty($value))
    {
        return $value;
    }
    else
    {
        return is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
    }
}

/**
 *     header   ，             
 *
 * @param   string  string    
 *
 * @return  void
 **/
function ecs_header($string, $replace = true, $http_response_code = 0)
{
    if (strpos($string, '../upgrade/index.php') === 0)
    {
        echo '<script type="text/javascript">window.location.href="' . $string . '";</script>';
    }
    $string = str_replace(array("\r", "
"), array('', ''), $string);

    if (preg_match('/^\s*location:/is', $string))
    {
        @header($string . "
", $replace);

        exit();
    }

    if (empty($http_response_code) || PHP_VERSION < '4.3')
    {
        @header($string, $replace);
    }
    else
    {
        @header($string, $replace, $http_response_code);
    }
}

/**
 *   MYSQL LIKE        
 *
 * @access      public
 * @param       string      string    
 * @return      string
 */
function mysql_like_quote($str)
{
    return strtr($str, array("\\\\" => "\\\\\\\\", '_' => '\_', '%' => '\%', "\'" => "\\\\\'"));
}