What are some recommended automated backup solutions for PHP projects, and how can they be configured to efficiently manage file updates and deletions while ensuring data integrity?

When working on PHP projects, it is crucial to have automated backup solutions in place to prevent data loss in case of unexpected events. One recommended solution is to use a combination of tools like rsync for file synchronization and a version control system like Git for code management. By configuring rsync to efficiently manage file updates and deletions while ensuring data integrity, you can create regular backups of your PHP project without any hassle.

// Example rsync command to backup PHP project files
exec('rsync -av --delete /path/to/source /path/to/destination');