<?php
echo("Dodano rezerwacje do bazy");
$servername = "localhost";
$username = "root";
$password = "";

// Create connection
$conn = mysqli_connect($servername, $username, $password);

mysqli_select_db($conn, 'baza');

$data = $_POST['xd1'];
$ileosob = $_POST['xd2'];
$tele = $_POST['xd3'];

$query = "insert into rezerwacje (`data_rez`, `liczba_osob`, `telefon`) values('$data', '$ileosob', '$tele');";

mysqli_query($conn, $query);

mysqli_close($conn);
?>