Drupak Drupal Career Development Program

PHP Authentication & Session Management

This session focuses on enhancing a PHP blog application by implementing form validation, improving the user experience, and building a secure authentication system. Students learn how to validate user input, preserve form data after validation errors, redirect users after successful actions, manage user sessions, implement secure registration and login with password hashing, and protect restricted pages using session-based access control.

Topics Covered

• Server-side form validation
• Dynamic error message handling
• Preserving form data after validation
• Redirecting users with header()
• PHP Sessions and $_SESSION
• Cookies and session management
• User registration
• Password hashing with password_hash()
• User login with password_verify()
• Logout functionality
• Session-based authentication
• Protecting restricted pages with access control