PP/registration.php

<?php
$host = "kurek620.beget.tech";
$username = "kurek620_baze";
$password = "6910WASD579h";
$database = "kurek620_baze";

$FIO = $_POST["FIO"];
$region = $_POST["region"];
$login = $_POST["login"];
$Email = $_POST["Email"];
$passwor = $_POST["password"];

$mysql = new mysqli($host, $username, $password, $database);

if($mysql->connect_error){
    die("Ошибка подключения". $mysql->connect_error);
}
$quary = "SELECT * FROM Users WHERE login like'$login'";
$result = mysqli_query($mysql, $quary);
if(mysqli_num_rows($result) > 0)
{
    header('Location: index.html?message=Логин+существует');
    echo "<script>window.location.href = 'index.html';</script>";
    mysqli_close();
}
$quary = "SELECT * FROM Users WHERE Email like '$Email'";
$result1 = mysqli_query($mysql, $quary);
if(mysqli_num_rows($result1) > 0)
{
    header('Location: index.html?message=Почта+существует');
    echo "<script>window.location.href = 'index.html';</script>";
    mysqli_close();
}





if(mysqli_num_rows($result) == 0 && mysqli_num_rows($result1) == 0)
{
$permitted_chars = '0123456789';
$kod = substr(str_shuffle($permitted_chars), 0, 5);
$message = "Проверочный код: ".$kod;
$to = $Email;
$from = "Kurlek665@gmail.com";
$subject = "Проверочный код для ".$login;
$subject = "=?utf-8?B?".base64_encode($subject)."?=";
$headers = "From: $from\r\nReply-to: $from\r\nContent-type: text/html; charset=utf-8\r\n";

mail($to, $subject, $message, $headers);
session_start();
$_SESSION['login'] = $login;
$_SESSION['password'] = $passwor;
$_SESSION['Email'] = $Email;
$_SESSION['region'] = $region;
$_SESSION['FIO'] =$FIO;
$_SESSION['kod'] = $kod;
echo "<script>window.location.href = 'EmailCheck.html';</script>";
}



?>