Repository template for PHP libraries. Sets up composer, CI with Github Actions, and more.

• Configures .gitignore for common excludes in a PHP library

• Placeholders for library name, description, and PSR-4 autoloading
• Scripts for testing
• Requires current version of PHP
• Includes testing tools (configured) as dev dependencies

CI is configured using Github Actions.

• PHPUnit ^9.3 with default configuration (src/tests).
• The tests workflow uses a build matrix to test against multiple versions of PHP, and with high and low Composer dependencies installed
• PHPStan with strict ruleset, max level, and the PHPUnit extension
• PHP Code Sniffer configured with PSR-12