Building a Phone Directory App with PHP and MariaDB

Ready to transition from static web pages to dynamic, database-driven applications? Building a practical contact management system is one of the best ways to master the fundamentals of backend web development. In this text-based course, you will learn how to design and build a fully functional phone directory application from scratch. You will gain hands-on experience connecting PHP to a MariaDB database, handling user input safely, and performing essential database operations. What you'll learn: Understand foundational database concepts and MariaDB structure; Configure a secure connection between PHP and MariaDB using PDO; Create database tables to store subscriber names, phone numbers, and details; Implement secure CRUD operations to add, display, and delete directory entries; Apply modern PHP practices including prepared statements to prevent SQL injection; Validate and sanitize user input from web forms before saving to the database. You will start with core web development concepts and database structures before writing any code. From there, you will progress through designing the database schema, establishing secure connections, and writing clean PHP scripts to manage your directory data. This course is designed for beginner developers, students, and aspiring backend programmers who have a basic understanding of HTML and want to learn database-driven development. No prior PHP or database experience is required. Start reading today to build your first database-backed web application.