Скачать или смотреть How to Build a Simple PHP Login System

In this video, we’ll show you how to build a simple PHP login system. A login system allows users to authenticate themselves by entering credentials (e.g., username and password). We’ll cover creating a database, building a login form, processing the login request, securing a dashboard, and adding logout functionality. Let’s dive into the details and build a secure login system using PHP and MySQL!
Learn:
What is a Login System?

🔒 A login system allows users to authenticate themselves by entering credentials (e.g., username and password).
✅ Commonly used for securing web applications, dashboards, and member-only areas.
💡 In this tutorial, we’ll build a simple login system using PHP and MySQL.

Prerequisites
Before starting, ensure you have the following installed:
PHP: For server-side scripting.
MySQL: For storing user credentials.
Apache or Nginx: To serve the PHP files.

💡 You can use XAMPP or LAMP stack for an all-in-one setup.

Step 1: Create the Database
📚 First, create a database and table to store user credentials:
Open your MySQL terminal or phpMyAdmin.
Run these commands to create a database and table:

CREATE DATABASE login_system;
USE login_system;

CREATE TABLE users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) NOT NULL,
password VARCHAR(255) NOT NULL
);

Insert a sample user (password is hashed for security):

INSERT INTO users (username, password)
VALUES ('admin', MD5('password123'));

💡 MD5 is used here for simplicity, but use password_hash() for production systems.

Step 2: Create the Login Form
📋 Create an HTML form for users to enter their credentials:
Create HTML file login.html. You can find the code for this script at the GitLab link below.

💡 This form sends data to login.php for processing.

Step 3: Process the Login Request
🔑 Create a PHP script (login.php) to handle the login logic. You can find the code for this script at the GitLab link below.

Step 4: Secure the Dashboard
🔒 Restrict access to the dashboard by checking if the user is logged in. Save the following code as dashboard.php. You can find the code for this script at the GitLab link below.

Step 5: Add Logout Functionality
🚪 Create a logout script (logout.php) to destroy the session. You can find the code for this script at the GitLab link below.

Step 6: Test the Login System
🚀 Follow these steps to test the system:
Open login.html in your browser.
Enter the sample username (admin) and password (password123).
If successful, you’ll be redirected to dashboard.php.
Click the "Logout" link to end the session.

💡 Make sure Apache and MySQL are running during testing. You can run a PHP server using php -S localhost:8000.

✅ Pro Tips:
Use Password Hashing: Always use password_hash() and password_verify() for password handling in production systems.
Sanitize Inputs: Use prepared statements to prevent SQL injection.
Session Management: Ensure proper session management to prevent session hijacking.

GitLab Link:
You can find the example files and the final poster used in this video at this GitLab link: https://gitlab.com/hatem-badawi/linux....

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👉 Watch now and build your own simple PHP login system!

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