Learn how to build a basic login application using PHP and MySQL!
In this quick tutorial, we walk you through the process of connecting a PHP application to a MySQL database, processing login credentials securely, and verifying them against stored database records. You'll learn how to write the MySQLi connection string, build the PHP backend script (login_db.php) to handle form submissions, and create the necessary database and tables using phpMyAdmin.
This video is perfect for beginners who want to understand the fundamentals of PHP database connectivity and basic user authentication.
📌 What you will learn in this video:
How to use mysqli_connect to link PHP to MySQL.
Handling form submissions and retrieving data with $_POST.
Writing SQL queries to verify usernames and passwords.
How to find your default XAMPP MySQL credentials.
Creating databases, tables, and inserting user data in phpMyAdmin.
Video Chapters:
0:00 - Introduction & The Database Connection File Understanding the mysqli_connect parameters (localhost, root, password, DB name) and how to check if the connection is successful.
1:14 - The Login Page & Form Submission
1:24 - Processing Credentials with login_db.php
2:45 - Deploying the Application in XAMPP
3:04 - Setting up the Database in phpMyAdmin
4:15 - Creating the Table & Inserting Data
5:13 - Testing the Login Application
