Extended composer.json for PHP 8.3 compatibility and added 8.3 to automated tests #41

	name: Code Linter

	on:
	push:
	branches:
	- main
	pull_request:

	# Cancels all previous workflow runs for pull requests that have not completed.
	concurrency:
	# The concurrency group contains the workflow name and the branch name for pull requests
	# or the commit hash for any other events.
	group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	run:
	name: PSR12
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 7.3

	- name: Log debug information
	run: \|
	git --version
	php --version
	php -i
	composer --version

	# This date is used to ensure that the Composer cache is refreshed at least once every week.
	# http://man7.org/linux/man-pages/man1/date.1.html
	- name: "Get last Monday's date"
	id: get-date
	run: echo "::set-output name=date::$(/bin/date -u --date='last Mon' "+%F")"

	- name: Get Composer cache directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache Composer dependencies
	uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
	env:
	cache-name: cache-composer-dependencies
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-php-7.3-date-${{ steps.get-date.outputs.date }}-composer-${{ hashFiles('**/composer.json') }}

	- name: Install Composer dependencies
	run: composer install

	- name: Run PHPUnit tests
	run: composer run lint

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