<?php



//membuat cookie
function cookie_tes($nama,$pass){
	if (setcookie("nama",$nama) AND setcookie("pass",$pass)) {
		return true;
	}else{
		return false;
	}
}

//membuat register user
function register_user($nama,$pass){

	//memanggil variable diluar function
	global $link;


	//mencegah sql injection
	$nama = mysqli_real_escape_string($link,$nama);
	$pass = mysqli_real_escape_string($link,$pass);

	//mengamankan password
	$pass = password_hash($pass,PASSWORD_DEFAULT);

	//memanggil isi databases
	$query = "INSERT INTO users(username,password) VALUES ('$nama','$pass')";

	//menjalankan query database
	if (mysqli_query($link,$query)) {
		return true;
	}else{
		return false;
	}

}
	//menguji nama kembar register
	function register_cek_nama($nama){

		global $link;

		$nama = mysqli_real_escape_string($link,$nama);
		$query = "SELECT * FROM users WHERE username = '$nama'";

			if ($result = mysqli_query($link,$query)) {
			 	if (mysqli_num_rows($result) == 0) return true;
			 	else return false;
			 }
		}



//function login
function login_sukses($nama,$pass){

global $link;
				$nama = mysqli_real_escape_string($link,$nama);
				$pass = mysqli_real_escape_string($link,$pass);


				$query = "SELECT * FROM users WHERE username='$nama'";
				$result = mysqli_query($link,$query);
				$hash = mysqli_fetch_assoc($result)['password'];
				if (password_verify($pass,$hash)) {
					return true;
				}else {
					return false;
				}
}
//untuk menguji nama kembar login




function cek_login($nama){
		global $link;

			$nama = mysqli_real_escape_string($link,$nama);
			$query = "SELECT * FROM users WHERE username='$nama'";

				if ($result = mysqli_query($link,$query)) {
					if (mysqli_num_rows($result) != 0) return true;
					else return false;
				}
}