PHP Decode

<?php 
namespace RachidLaasri\LaravelInstaller\Controllers; 
use Illuminate\Routing\Controller; 
use Illuminate\Http\Request; 
class WelcomeController extends Controller 
{ 
    public function welcome() 
    { 
        return view("vendor.installer.welcome"); 
    } 
    public function check(Request $request) 
    { 
        goto O5681; 
        O8843: 
        $response = json_decode($server_output, true); 
        goto O7471; 
        O8028: 
        O4911: 
        goto O2521; 
        O7738: 
        return redirect("install/requirements"); 
        goto O2258; 
        O2258: 
        O8197: 
        goto O8028; 
        O1203: 
        session()->flash("error", $response["message"]); 
        goto O1894; 
        O0423: 
        O2586: 
        goto O7738; 
        O1527: 
        curl_setopt( 
            $ch, 
            CURLOPT_URL, 
            "https://extremelab.tech/check_code?purchase_code=" . 
                $request["purchase_code"] . 
                "&host=" . 
                $host 
        ); 
        goto O8865; 
        O3028: 
        goto O8197; 
        goto O0423; 
        O7471: 
        if (isset($response)) { 
            goto O2584; 
        } 
        goto O9655; 
        O8865: 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
        goto O1000; 
        O7037: 
        return redirect()->back(); 
        goto O6435; 
        O5681: 
        \File::put( 
            base_path("storage/purchase_code"), 
            $request["purchase_code"] 
        ); 
        goto O2349; 
        O9655: 
        session()->flash("error", "Invalid purchase code"); 
        goto O7037; 
        O1000: 
        $server_output = curl_exec($ch); 
        goto O8843; 
        O1894: 
        return redirect()->back(); 
        goto O3028; 
        O6435: 
        goto O4911; 
        goto O9298; 
        O9586: 
        $ch = curl_init(); 
        goto O1527; 
        O2349: 
        $host = request()->getHttpHost(); 
        goto O9586; 
        O2915: 
        if ($response["code"] == 200) { 
            goto O2586; 
        } 
        goto O1203; 
        O9298: 
        O2584: 
        goto O2915; 
        O2521: 
    } 
} 
?>