# DEV 101 - Class 2
### Public-key cryptography
[https://en.wikipedia.org/wiki/Public-key_cryptography]()
### Git repository
Official git documentation
[https://git-scm.com/docs](https://git-scm.com/docs)
**Topics**
* Getting and Creating Projects
* Basic Snapshotting
* Branching and Merging
* Sharing and Updating Projects
**Git flow: How to work in a proper way:**
[https://www.atlassian.com/git/tutorials/comparing-workflows/gitflow-workflow](https://git-scm.com/docs)
# PHP Standards Recommendations
[https://www.php-fig.org/psr/](https://www.php-fig.org/psr/)
Important for the next class
[https://www.php-fig.org/psr/psr-4/](https://www.php-fig.org/)