public static function clean_gpc()
{
    // On supprime toutes les variables crées par la directive register_globals
    // On stripslashes() toutes les variables GPC pour la compatibilité DBAL
    $gpc = array('_GET', '_POST', '_COOKIE');
    $magic_quoted = array('_GET', '_POST', '_COOKIE', '_REQUEST');
    $keep_globals = array('_GET', '_POST', '_COOKIE', '_REQUEST', 'GLOBALS', '_SERVER', '_COOKIE', '_ENV', 'debug');

    $magic_quote_gpc = get_magic_quotes_gpc() || get_magic_quotes_runtime();
    $register_globals = ini_get('register_globals') ;

    if ($register_globals)
    {
        foreach ($gpc AS $value)
        {
            foreach ($GLOBALS[$value] AS $k => $v)
            {
                if (!in_array($k, $keep_globals))
                {
                    unset($GLOBALS[$k]);
                }
            }
        }
    }

    if ($magic_quote_gpc)
    {
        foreach ($magic_quoted AS $value)
            $GLOBALS[$value] = array_map_recursive('stripslashes', $GLOBALS[$value]);
        }
    }
}