Learn to build a PHP-based chat application similar to Facebook Messenger in this comprehensive tutorial series. Develop a full-featured group chat system using PHP and MySQL, covering everything from user authentication to real-time messaging. Design and implement login and signup pages, create user accounts with database integration, develop a home page, implement friend-finding functionality, and manage user account settings. Master essential features like profile picture uploads, password changes, and password reset functionality. Gain hands-on experience in PHP web development and database management while creating a practical, real-world chat application.