For PHP programmers, this website offers a lot of good tips and best practices for PHP development. There you can find tips about stuff like code style guide, dependency management in PHP, security, etc. Be sure to check it out!
There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web and what the contributors consider to be best practices at the present time.
Link to the project: PHP: The Right Way