chamilo-lms/main/inc/lib/system/web/header.class.php

<?php

/**
 * Header utility functions.
 *
 * @license see /license.txt
 * @author Laurent Opprecht <laurent@opprecht.info> for the Univesity of Geneva
 */
class Header
{
    /**
     * Redirect the navigator to the specified url.
     *
     * @param string $url
     */
    public static function location($url)
    {
        header("Location: $url");
        exit;
    }
}