To upload PHP code with a database to GitHub so the website and database work properly, you need to follow these general steps:

1. Initialize Git Repository: First, initialize a Git repository in your project directory if you haven't already done so. You can do this by running git init in your project directory.

2. Create a .gitignore File: Create a .gitignore file in your project directory to specify which files and directories should be ignored by Git. You should exclude sensitive or unnecessary files, such as configuration files containing database credentials or files generated by your development environment.

3. Commit Your Code: Use git add to stage the files you want to commit, then use git commit to commit them to the repository. Make sure to include all relevant PHP files, HTML files, CSS files, JavaScript files, and any other necessary assets.

4. Set Up a Remote Repository on GitHub: Create a new repository on GitHub where you will store your code. Follow the instructions on GitHub to create the repository and obtain the repository URL.

5. Add a Remote Origin: Use git remote add origin <repository-url> to add the GitHub repository as a remote origin for your local repository.

6. Push Your Code to GitHub: Use git push -u origin master to push your code to the GitHub repository. This will upload your code and make it accessible on GitHub.

7. Handle Database Backup and Migration: If your project includes a database, you'll need to handle database backup and migration separately. You can include SQL dump files or migration scripts in your project directory, but be careful not to include sensitive information like database credentials in your repository.

8. Environment Configuration: Consider using environment variables or configuration files to manage sensitive information like database credentials. You can provide sample configuration files with placeholders for credentials and include instructions for users to set up their own configuration.

9. Documentation: Provide clear documentation for setting up and configuring the project, including instructions for installing dependencies, configuring the environment, and setting up the database.

By following these steps, you can upload your PHP code with a database to GitHub while ensuring that the website and database work properly for other users who clone the repository. Make sure to review your code and configuration files carefully to avoid exposing sensitive information or causing compatibility issues when sharing your code publicly.