Php $ _ SESSION member login instance sharing

This article describes in detail the php $ _ SESSION member logon instance, which has some reference value, if you are interested, you can refer to the php member login module, which is a simple module in website development. this example provides a simple reference for php beginners, the logic of this solution is to be understood by the Reader, edited, and thought upon by the reader.
Login. php file

<?php  ob_start();  session_start();?><?  // error_reporting(E_ALL);  // ini_set("display_errors", 1);?>      Tutorialspoint.com   
                      Enter Username and Password    
          <?php      $msg = '';            if (isset($_POST['login']) && !empty($_POST['username']) && !empty($_POST['password'])) {                if ($_POST['username'] == 'tutorialspoint' && $_POST['password'] == '1234') {         $_SESSION['valid'] = true;         $_SESSION['timeout'] = time();         $_SESSION['username'] = 'tutorialspoint';         echo 'You have entered valid use name and password';        }        else         {         $msg = 'Wrong username or password';        }      }     ?>   
 
       
                   Click here to clean Session.       
      

Logout. php file

<?php  session_start();  unset($_SESSION["username"]);  unset($_SESSION["password"]);   echo 'You have cleaned session';  header('Refresh: 2; URL=login.php');?>

The above is all the content of this article, hoping to help you learn.