Unless you are a lawyer or a health inspector, the topic of standards probably does not make your heart race. However, what standards help us achieve is worth getting excited about. Standards promote interoperability, and that gives us access to a vast array of compatible tools and framework components.
This chapter will cover several important aspects of standards:
Why standards: What are standards and why they matter
PHP Standards Recommendations: Their origins and purpose
PSR-1: The Basic Coding Standard
PSR-12: Extended Coding Style
PSR-4: Autoloading
Why Standards?
Design patterns interoperate. ...
