PSR-0 (Autoloading Standard)(DEPRECATED)PSR-1 (Basic Coding Standard)(IMPOSSIBLE)PSR-2 (Coding Style Guide)(DEPRECATED)- PSR-3 (Logger Interface)
PSR-4 (Autoloading Standard)(IMPOSSIBLE)PSR-5 (PHPDoc Standard)(DRAFT)- PSR-6 (Caching Interface)
- PSR-7 (HTTP Message)
PSR-8 (PHPDoc Standard)(ABANDONED)PSR-9 (PHPDoc Standard)(ABANDONED)PSR-10 (PHPDoc Standard)(ABANDONED)- PSR-11 (Container Interface)
PSR-12 (Extended Coding Style Guide)(IMPOSSIBLE)- PSR-13 (Hypermedia Links)
- PSR-14 (Event Dispatcher)
- PSR-15 (HTTP Server)
- PSR-16 (Simple Cache)
- PSR-17 (HTTP Factories)
- PSR-18 (HTTP Client)
PSR-19 (PHPDoc tags)(DRAFT)- PSR-20 (Clock)
PSR-21 (Internationalization)(DRAFT)PSR-22 (Application Tracing)(DRAFT)