fix redirects seo

gistfile1.txt

if (isset($_GET['controller']) && $_GET['controller'] == 404) {
    $t_url = explode('?', $_SERVER['REQUEST_URI']);
    $redirect = current($t_url);
    header('Location: ' . $redirect, true, 301);
    exit();
} else if ($_SERVER['REQUEST_URI'] == '/best-sales??controller=404&p=2') {
    $redirect = '/best-sales?p=2';
    header('Location: ' . $redirect, true, 301);
    exit();
} else if ($_SERVER['REQUEST_URI'] == '/best-sales??controller=404&p=143') {
    $redirect = '/best-sales?p=143';
    header('Location: ' . $redirect, true, 301);
    exit();
} else if ($_SERVER['REQUEST_URI'] == '/87_power-dynamics?p=4?controller=404') {
    $redirect = '/87_power-dynamics?p=4';
    header('Location: ' . $redirect, true, 301);
    exit();
} else if ($_SERVER['REQUEST_URI'] == '/hifi--_69?p=2?controller=404') {
    $redirect = '/hifi--_69?p=2';
    header('Location: ' . $redirect, true, 301);
    exit();
}