Use `beste/php-cs-fixer-config:^3.1` #17

	name: Tests

	on:
	pull_request:
	paths:
	- '.github/workflows/tests.yml'
	- 'src/**'
	- 'tests/**'
	- 'composer.json'
	- 'phpstan.neon.dist'
	push:
	branches: ['main']
	paths:
	- '.github/workflows/tests.yml'
	- 'src/**'
	- 'tests/**'
	- 'composer.json'
	- 'phpstan.neon.dist'
	workflow_dispatch:

	jobs:
	test:
	name: PHP ${{ matrix.php }}
	runs-on: ubuntu-latest

	strategy:
	fail-fast: true
	matrix:
	php:
	- "8.1"
	- "8.2"
	- "8.3"

	env:
	extensions: ctype, dom, intl, json, mbstring, openssl, xml, zip, zlib
	key: cache-v1 # can be any string, change to clear the extension cache.

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup cache environment
	id: extcache
	uses: shivammathur/cache-extensions@v1
	with:
	php-version: ${{ matrix.php }}
	extensions: ${{ env.extensions }}
	key: ${{ env.key }}

	- name: Cache extensions
	uses: actions/cache@v4
	with:
	path: ${{ steps.extcache.outputs.dir }}
	key: ${{ steps.extcache.outputs.key }}
	restore-keys: ${{ steps.extcache.outputs.key }}

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	extensions: ${{ env.extensions }}
	tools: composer, pecl
	coverage: xdebug
	env:
	COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- uses: ramsey/composer-install@v3
	with:
	composer-options: "${{ matrix.composer-options }}"

	- name: Setup Problem Matchers
	run: \|
	echo "::add-matcher::${{ runner.tool_cache }}/php.json"
	echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"

	- name: Run PHPStan
	run: vendor/bin/phpstan

	- name: Run PHPUnit
	run: vendor/bin/phpunit --testdox --coverage-text

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