Build a SMS Verification with Login System Using PHP MySQL

Create a config file in the core folder to define constants for the MySQL host, database name, username, and password. Enable autoloading of classes and start the session.

Create a reusable user data access class using a database object to execute prepared statements with bound parameters for selecting data from the users table and returning results as objects.

Learn to create a method to filter and validate user emails in a php mysql login system, display errors on the logon form, and use the index page flow.

Log in users by setting the session id to the user id and redirecting to the home page, using an include to fix session access.

Create a public logout method that destroys the user session, verify login state, and redirect to the home page after including the PHP file from the include folder.

Set up a PHP/MySQL settings page, build user data forms, and enforce field validation for names, email, and password with clear error handling.

Create a method to validate input length for user fields, enforcing min and max limits, and display errors on settings page. Implement existence checks to prevent duplicate usernames or emails.

Learn how to validate a registration form in PHP with MySQL, including checks for username and email availability, password confirmation, and error handling before inserting a new user.

Set up PHPMailer to send emails via SMTP using a Gmail account, by downloading the library, including necessary classes, and configuring host, username, and password for sending verification emails.

Create a PHP method to generate a unique verification link using time values and encryption, preparing it for email delivery.

Create a new verification table in PHP MySQL to store codes (id, user_id, code, status, created_at), insert the code, and email a verification link for account verification.

Learn to implement a PHP MySQL user verification flow that sends a verification code by email, validates it against the database, checks expiry, updates user status, and redirects to home.

Implement a PHP and MySQL password reset flow that updates the password, validates input, hashes the new password, and displays error or confirmation messages.