undefined function mysqli_result()

[Kon Kom]

Hello I have problem and error:
Fatal error: Uncaught Error: Call to undefined function mysqli_result() in C:\xampp\htdocs\unity\odczytDanych.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\unity\odczytDanych.php on line 13

code:

<?PHP
$tabela = $_POST['tabela'];
$gracz = $_POST['gracz'];
$zmiennaIN = $_POST['zmienna'];


$con = mysqli_connect("localhost","root","") or ("Blad polaczenia: " . mysqli_error());
if (!$con)
die('Nie mozna polaczayc: ' . mysqli_error());

mysqli_select_db($con, "konta") or die ("Nie mozna wczytac bazy danych" . mysqli_error());

$zmiennaOUT = mysqli_result(mysqli_query($con, "SELECT '".$zmiennaIN."' FROM '".$tabela."' WHERE login='".$gracz."'"),0);
die ($zmiennaOUT);

?>