<?php

class Config{

 public function connect(){
     $localhost = 'localhost';
     $user = 'root';
     $password = '';
     $database = 'moon';
     mysqli_connect($localhost,$user,$password,$database);
    }

}

class Auth extends Config{

 public function login(){
     if(isset($_POST['login'])){
         $email = $_POST['email'];
         $password = $_POST['password'];
         $mysqli = $this->connect();
         $sql = mysqli_query($mysqli,"SELECT * FROM `users` WHERE `email` = '$email'");
         $userinfo = mysqli_fetch_array($sql);
         if($email == $userinfo['email'] && $password == $userinfo['password']){
             header('Location: index');
            $_SESSION['email'] = $email;
         }else{
             echo "Вы ввели неверные данные!";
         }
     }
 }

}
?>