Eczbek

#include<concepts>
struct as{template<class T>operator T(){throw;};template<class T>struct x{T x;template<class U>[[nodiscard]]constexpr decltype(static_cast<U>((T)x))operator->*(U(as::*)())noexcept(noexcept(static_cast<U>((T)x))){return static_cast<U>((T)x);}};};constexpr auto operator->*(auto&&x,std::same_as<as>auto)noexcept{return as::x<decltype(x)&&>((decltype(x))x);}
#define as ->*::as()->*&::as::operator

Jengas

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
ini_set('max_execution_time', 300); //300 seconds = 5 minutes. In case if your CURL is slow and is loading too much (Can be IPv6 problem)

error_reporting(E_ALL);

define('OAUTH2_CLIENT_ID', '1234567890');
define('OAUTH2_CLIENT_SECRET', 'verysecretclientcode');