This PSR deviates from its predecessor, the de facto PHPDoc Standard associated with phpDocumentor 1.x, to provide support for newer features in the PHP language and to address some of the shortcomings of its predecessor.[9] Mike van Riel Phil Sturgeon Donald Gilbert Draft[4] PSR-6 Caching Interface The goal of this PSR is to allow developers to create cache-aware libraries that can be integrated into existing frameworks and systems without the need for custom development.[10] Larry Garfield Paul Dragoonis Robert Hafner Accepted[4] PSR-7 HTTP Message Interface It describes common interfaces for representing HTTP messages as described in RFC 7230 and RFC 7231, and URIs for use with HTTP messages as described in RFC 3986.[11] Matthew Weier O'Phinney Beau Simensen Paul M. Jones Accepted[4] PSR-8 Huggable Interface It establishes a common way for objects to express mutual appreciation and support by hugging. This allows objects to support each other in a constructive fashion, furthering cooperation between different PHP projects.[12] Larry Garfield Cal Evans Paul M. Jones Draft[4] PSR-9 Security Disclosure It gives project leads a clearly defined approach to enabling end users to discover security disclosures using a clearly defined structured format for these disclosures.[13] Lukas Kahwe Smith Korvin Szanto Larry Garfield Draft[4] PSR-10 Security Advisories It gives researchers, project leads, upstream project leads and end users a defined and structured process for disclosing security vulnerabilities.[14] Lukas Kahwe Smith Larry Garfield Korvin Szanto Draft[4] PSR-11 Container Interface It describes a common interface for dependency injection containers. The goal is to standardize how frameworks and libraries make use of a container to obtain objects and parameters (called entries in the rest of this document).[15] Matthieu Napoli, David Négrier Paul M. Jones Jeremy Lindblom Draft[4] PSR-12 Extended Coding Style Guide It extends, expands and replaces PSR-2, the coding style guide and requires adherence to PSR-1, the basic coding standard.[16] Michael Cullum Korvin Szanto Alexander Makarov Draft[4]