How to remove the installation payment process on an PHP code

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PHP

script

I have PHP script that direct to the website for payment before you install it, i want to bypass the redirection to the payment. What do i change to make it work

Route::any('check/purchase-code', function() {if ($code = \Input::get('code')) {ini_set('user_agent', 'Mozilla/5.0');$result = file_get_contents("http://example.com/demo/install/check?code=".$code.'&domain='.\Request::server('HTTP_HOST'));if ($result == 1) {\Session::put('valid-usage','1');return \Redirect::route('install-db-info');}}return \Redirect::to('/install');});
Route::filter('user-auth', function()
{

    if (!Auth::check()) {
        if (Request::ajax()) {
            return json_encode(['content' => 'login']);
        } else {
            return Redirect::guest('/');
        }
    };
    /**
     * User is login we need to know if user has getstarted or not
     */
    if (Config::get('user-getstarted')) {
        if (Auth::user()->fully_started != 1 and !Request::ajax()) {
            return \Redirect::route('user.getstarted');
        }
    }