<?php
$servername = "localhost";
$dbname = "zadania";
$username = "root";
$password = "";

$connect = mysqli_connect($servername, $username, $password, $dbname);

if (!$connect) {
    die("Connection failed: " . mysqli_connect_error());
}
echo "Connected successfully <br>";

$zapytanie = "SELECT * FROM Studenci";
$result = mysqli_query($connect,$zapytanie);

if (mysqli_num_rows($result) > 0) {

    while($row = mysqli_fetch_assoc($result)) {
        echo "id: " . $row["ID_Studenta"]. " - Imie: " . $row["Imie"]. " " . $row["Nazwisko"]. "<br>";
    }
} else {
    echo "0 results";
}

mysqli_close($connect);
?>