[TASK] Move and polish the PHPStan configuration and scripts (#1378) #260

	# https://help.github.com/en/categories/automating-your-workflow-with-github-actions

	on:
	push:
	branches:
	- main
	pull_request:

	name: Code coverage

	jobs:
	code-coverage:
	name: Code coverage

	runs-on: ubuntu-22.04

	strategy:
	fail-fast: false
	matrix:
	php-version:
	- '8.3'
	dependencies:
	- highest

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

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-version }}
	ini-file: development
	tools: composer:v2
	coverage: xdebug

	- name: Show the Composer version
	run: composer --version

	- name: Show the Composer configuration
	run: composer config --global --list

	- name: Cache dependencies installed with composer
	uses: actions/cache@v4
	with:
	path: ~/.cache/composer
	key: php${{ matrix.php-version }}-${{ matrix.dependencies }}-composer-${{ hashFiles('**/composer.json') }}
	restore-keys: \|
	php${{ matrix.php-version }}-${{ matrix.dependencies }}-composer-

	- name: Install Composer dependencies
	run: \|
	if [[ "${{ matrix.dependencies }}" == 'lowest' ]]; then
	DEPENDENCIES='--prefer-lowest';
	else
	DEPENDENCIES='';
	fi;
	composer install --no-progress;
	composer update --with-dependencies --no-progress "${DEPENDENCIES}";
	composer show;

	- name: Run Tests
	run: composer ci:tests:coverage

	- name: Show generated coverage files
	run: ls -lah

	- name: Upload coverage results to Coveralls
	uses: coverallsapp/github-action@v2
	env:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	file: coverage.xml

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