class hello : public cppcms::application {
public:
	hello(cppcms::service &srv) :
		cppcms::application(srv)
	{
		dispatcher().assign("/login.php", &hello::login, this);
		dispatcher().assign("/mango.php", &hello::mango, this);
		dispatcher().assign("/apple.php", &hello::apple, this);
	}
	void login()
	{
		if (request().request_method() == "POST") 
		{
			........
			.......
			........
			session()["name"]=username;
			
			std::cout << session().is_set("name") << std::endl;  //it shows 1
		}
	}
	void mango()
	{
		std::cout << session().is_set("name") << std::endl;  //it shows 0
	}
	void apple()
	{
		std::cout << session().is_set("name") << std::endl;  //it shows 0
	}
};


int main(int argc, char ** argv)
{
	try {
		cppcms::service srv(argc, argv);
		srv.applications_pool().mount(
			cppcms::applications_factory<hello>()
		);
		srv.run();
	}
	catch (std::exception const &e) {
		std::cerr << e.what() << std::endl;
	}
}