You can find an example project implementing the Firebase Admin SDK for PHP at https://github.com/jeromegamez/firebase-php-examples .
In addition, the SDK has been featured in the following tutorials:
- Integrate Firebase With PHP and Optimize Your Real Time Communication by Shahroze Nawaz (November 2018)
- Firebase and PHP Video Series by Arthur Mann (August 2018)
- Connect Laravel with Firebase Real Time Database by Pardeep Kumar (March 2018)
Do you know another tutorial that is not featured in this list? Then please consider adding it by creating a Pull Request in the GitHub Repository of this project.