Fatal error: Class 'PEAR_Error' not found in C:\xampp\php\PEAR\DB.php on line 947

<?php
require_once('DB.php');
?>

class DB_Error extends PEAR_Error
{
    // {{{ constructor
 
    /**
     * DB_Error constructor
     *
     * @param mixed $code       DB error code, or string with error message
     * @param int   $mode       what "error mode" to operate in
     * @param int   $level      what error level to use for $mode &
     *                           PEAR_ERROR_TRIGGER
     * @param mixed $debuginfo  additional debug info, such as the last query
     *
     * @see PEAR_Error
     */
    function DB_Error($code = DB_ERROR, $mode = PEAR_ERROR_RETURN,
                      $level = E_USER_NOTICE, $debuginfo = null)
    {
        if (is_int($code)) {
            $this->PEAR_Error('DB Error: ' . DB::errorMessage($code), $code,
                              $mode, $level, $debuginfo);
        } else {
            $this->PEAR_Error("DB Error: $code", DB_ERROR,
                              $mode, $level, $debuginfo);
        }
    }
 
    // }}}
}
 
// }}}
// {{{ class DB_result
 
/**
 * This class implements a wrapper for a DB result set
 *
 * A new instance of this class will be returned by the DB implementation
 * after processing a query that returns data.
 *
 * @category   Database
 * @package    DB
 * @author     Stig Bakken <ssb@php.net>
 * @copyright  1997-2007 The PHP Group
 * @license    [url]http://www.php.net/license/3_0.txt[/url]  PHP License 3.0
 * @version    Release: 1.7.13
 * @link       [url]http://pear.php.net/package/DB[/url]
 */