Metod_centre/login.php

<?php
session_start();
$host = "blueris.beget.tech";
$username = "blueris_base";
$password = "Qwer123.";
$database = "blueris_base";
$mysql = new mysqli($host, $username, $password, $database);


if($mysql->connect_error){
    die("Ошибка подключения". $mysql->connect_error);
}

$user = $_POST['login'];
$pass = $_POST['password'];

$quary = "SELECT * FROM login WHERE login like'$user' AND password like '$pass'";
$result = mysqli_query($mysql, $quary);
$row = mysqli_fetch_assoc($result);
$id = $row['id_user'];
$userpass = $row['password'];
$userlogin = $row['login'];
if (mysqli_num_rows($result) > 0) {

    setcookie('id', $id, time() + 3600, 'session');
    $_SESSION['login'] = $userlogin;
    $_SESSION['password'] = $userpass;
    echo "<script>window.location.href = 'index.php';</script>";
}
 else {
    header('Location: formLogin.php?message=Неверные+данные');
}
?>