Typecast return values from calculations that return different types #50

	name: Github Build
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	php: ['7.4', '7.3', '7.2', '8.0', '8.1', '8.2']
	name: PHP ${{ matrix.php }}
	steps:
	- uses: actions/checkout@v1
	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	coverage: xdebug
	- name: Report PHP version
	run: php -v
	- name: Validate composer.json and composer.lock
	run: composer validate
	- name: Get Composer Cache Directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"
	- name: Cache dependencies
	uses: actions/cache@v1
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ matrix.php }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ matrix.php }}-composer-
	- name: Install dependencies
	run: composer install --prefer-dist --no-progress --no-suggest
	- name: Run PHPStan
	run: composer phpstan
	- name: Run PHP-CS
	run: composer check-style
	- name: Run test suite
	run: vendor/bin/phpunit

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