What is PSR-0 and PSR-4?
What is PSR-0 and PSR-4? PSR-0 & PSR-4 These describe a specification for auto loading classes from file paths. PSR-0 and PSR-4 are both standards concerning namespaces, class names and file paths. This PSR also describes where to place files that will be autoloaded according to the specification. What PSR-0? Read more…