Framework Interoperability Group (FIG)

FIG is the Framework Interoperability Group. It is moving PHP forward through collaboration and standards.

In particular, it discusses, writes and publish PSR, the PHP Standard Recommendations. They are currently numbered from 1 to 22, which some retired numbers.

Famous PSR include: 12, Extended Coding Style Guide; 16, Simple Cache; 18 HTTP client.

Documentation

See also PHP-FIG home, PHP-FIG site, PSR-12: Extended Style Guide, PSR-16 and PSR-18.

Related : PHP Standards Recommendations (PSR)