Part 10-[A]-Admin Panel(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.

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

<?php
    include('security.php');
?>

<form action="code.php" method="POST">
    <div class="modal-body">
        <div class="form-group">
            <label> Username </label>
            <input type="text" name="username" class="form-control" placeholder="Enter Username">
        </div>
        <div class="form-group">
            <label>Email</label>
            <input type="email" name="email" class="form-control checking_email" placeholder="Enter Email">
            <small class="error_email" style="color: red;"></small>
        </div>
        <div class="form-group">
            <label>Password</label>
            <input type="password" name="password" class="form-control" placeholder="Enter Password">
        </div>
        <div class="form-group">
            <label>Confirm Password</label>
            <input type="password" name="confirmpassword" class="form-control" placeholder="Confirm Password">
        </div>

        <input type="hidden" name="usertype" value="admin">

    </div>
    <div class="modal-footer">
        <button type="submit" name="registerbtn" class="btn btn-primary">Save</button>
    </div>
</form>


Step 2: Create a page with the name code.php and then goto your phpmyadmin and create one more column in your register table named usertype (Varchar - 50) and paste the below code.

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

if(isset($_POST['registerbtn']))
{
    $username = $_POST['username'];
    $email = $_POST['email'];
    $password = $_POST['password'];
    $cpassword = $_POST['confirmpassword'];
    $usertype = $_POST['usertype'];
    
    $email_query = "SELECT * FROM register WHERE email='$email";
    $email_query_run = mysqli_query($connection$email_query);
    if(mysqli_num_rows($email_query_run) > 0)
    {
        $_SESSION['status'] = "Email Already Taken. Please Try Another one.";
        $_SESSION['status_code'] = "error";
        header('Location: register.php');  
    }
    else
    {
        if($password === $cpassword)
        {
            $query = "INSERT INTO register (username,email,password,usertype) VALUES ('$username','$email','$password','$usertype')";
            $query_run = mysqli_query($connection$query);
            
            if($query_run)
            {
                // echo "Saved";
                $_SESSION['status'] = "Admin Profile Added";
                $_SESSION['status_code'] = "success";
                header('Location: register.php');
            }
            else 
            {
                $_SESSION['status'] = "Admin Profile Not Added";
                $_SESSION['status_code'] = "error";
                header('Location: register.php');  
            }
        }
        else 
        {
            $_SESSION['status'] = "Password and Confirm Password Does Not Match";
            $_SESSION['status_code'] = "warning";
            header('Location: register.php');  
        }
    }

}
?>

Step 3: Your login.php will be same as it before, form given below:

<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>

Step 4: Get back to your code.php file 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);
    $usertypes = mysqli_fetch_array($query_run);

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

Step 5: 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 6: 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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