auth2.php

<?
session_start();
$_SESSION["login"];
$_SESSION["password"];

include("functions.php");

connect();

function auth(){

if(($_SESSION["login"]||$_SESSION["password"])==null){
            echo $auth_form;
            }
            else {
             echo $_SESSION["login"];
            }
            if(isset($_POST["log_in"])&&isset($_POST["login"])&&isset($_POST["password"])!=null){

            if(($_POST["login"]&&$_POST["password"])==select()){

                    while($row=mysqli_fetch_assoc(select())){

                  foreach($row as $res){

                echo $res;

                            }
                         }
                     }
                  }
               }
        auth();
?>