Part 8 (A & B): Login System with Session and Security.

Login System with Session and Security. (Admin Roles): Multi Login / User and Admin Login in PHP

As per the video, we have already downloaded the files and linked the CSS and JS.

Do not forget to Copy Step 4: if you are following from previous parts. because in this security.php we are checking loggedIN or not.

Step 1: Create a login.php page and paste the below:

<?php
session_start();
?>

<div class="container">
<!-- Outer Row -->
<div class="row justify-content-center">
  <div class="col-xl-6 col-lg-6 col-md-6">
    <div class="card o-hidden border-0 shadow-lg my-5">
      <div class="card-body p-0">
        <!-- Nested Row within Card Body -->
        <div class="row">
          <div class="col-lg-12">
            <div class="p-5">
              <div class="text-center">
                <h1 class="h4 text-gray-900 mb-4">Login Here!</h1>
                <?php
                    if(isset($_SESSION['status']) && $_SESSION['status'] !=''
                    {
                        echo '<h2 class="bg-danger text-white"> '.$_SESSION['status'].' </h2>';
                        unset($_SESSION['status']);
                    }
                ?>
              </div>
                <form class="user" action="code.php" method="POST">

                    <div class="form-group">
                    <input type="email" name="emaill" class="form-control form-control-user" placeholder="Enter Email Address...">
                    </div>
                    <div class="form-group">
                    <input type="password" name="passwordd" class="form-control form-control-user" placeholder="Password">
                    </div>
            
                    <button type="submit" name="login_btn" class="btn btn-primary btn-user btn-block"> Login </button>
                    <hr>
                </form>

            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>
</div>

Step 2: Create a page with the name code.php and paste the below code.

<?php
include('security.php');

if(isset($_POST['login_btn']))
{
    $email_login = $_POST['emaill']; 
    $password_login = $_POST['passwordd']; 

    $query = "SELECT * FROM register WHERE email='$email_loginAND password='$password_loginLIMIT 1";
    $query_run = mysqli_query($connection$query);

   if(mysqli_fetch_array($query_run))
   {
        $_SESSION['username'] = $email_login;
        header('Location: index.php');
   } 
   else
   {
        $_SESSION['status'] = "Email / Password is Invalid";
        header('Location: login.php');
   }
    
}
?>

Step 3: Create a folder called database and then create a file named dbconfig.php and paste the below code.

<?php

$server_name = "localhost";
$db_username = "root";
$db_password = "";
$db_name = "adminpanel";

$connection = mysqli_connect($server_name,$db_username,$db_password,$db_name);

if(!$connection)
{
    die("Connection failed: " . mysqli_connect_error());
    echo '
        <div class="container">
            <div class="row">
                <div class="col-md-8 mr-auto ml-auto text-center py-5 mt-5">
                    <div class="card">
                        <div class="card-body">
                            <h1 class="card-title bg-danger text-white"> Database Connection Failed </h1>
                            <h2 class="card-title"> Database Failure</h2>
                            <p class="card-text"> Please Check Your Database Connection.</p>
                            <a href="#" class="btn btn-primary">:( </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    ';
}
?>

Step 4: Create a page security.php and paste the below code.

<?php
session_start();
include('database/dbconfig.php');
if($connection)
{
    // echo "Database Connected";
}
else
{
    header("Location: database/dbconfig.php");
}

if(!$_SESSION['username'])
{
    header('Location: login.php');
}
?>

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