PSR-0, 1, and 2 build off of the previous one. PSR-0 is an autoloading standard PSR-1 is a basic coding standard PSR-2 is a coding style guide I'm very unsu

PSR-0, 1, and 2 build off of the previous one. PSR-0 is an autoloading standard PSR-1 is a basic coding standard PSR-2 is a coding style guide I'm very unsure what running code through PSR-0 would do for it, since it's not really about code-style