I heard about this on the Voices of the ElePHPant podcast. PHP: The Right Way is an attempt to create a continuously updated resource for PHP best practices. At this time, it’s still a fledgling effort. If you have something to add, fork the project on GitHub, then submit a pull request with your changes!
Original Article: PHP: The Right Way Dougal Campbell's geek ramblings - WordPress, web development, and world domination.