psr-overview-knowledge

PSR (PHP Standards Recommendations) are specifications published by the PHP Framework Interoperability Group (PHP-FIG). They establish common standards for PHP code to ensure interoperability between frameworks and libraries.

| PSR-1 | Basic Coding Standard | Coding Style | Accepted | | PSR-3 | Logger Interface | Logging | Accepted | | PSR-4 | Autoloader | Autoloading | Accepted | | PSR-6 | Caching Interface | Caching | Accepted | | PSR-7 | HTTP Message Interface | HTTP | Accepted | | PSR-11 | Container Interface | DI Container | Accepted |

| PSR-12 | Extended Coding Style | Coding Style | Accepted | | PSR-13 | Hypermedia Links | Hypermedia | Accepted | | PSR-14 | Event Dispatcher | Events | Accepted | | PSR-15 | HTTP Handlers | HTTP | Accepted | | PSR-16 | Simple Cache | Caching | Accepted | | PSR-17 | HTTP Factories | HTTP | Accepted | | PSR-18 | HTTP Client | HTTP | Accepted |