psr 1.0.1

PSR interfaces

This extension provides the accepted PSR interfaces, so they can be used in an extension.

See http://www.php-fig.org/psr/

License: BSD-2-Clause

Changes

- Test failures on PHP 8 in psr-http-client and psr-http-message due to changes in inheritance
- Compile failures with clang
- Compatibility with API changes to PHP 8 in psr-log (@remicollet)
- Report proper default value in reflection for LoggerInterface - PHP 8 only