Update README to include PHP 8 support #30

	name: Composer test on push and pull

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3']

	steps:
	- uses: actions/checkout@v4

	- name: Set PHP version
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-versions }}

	- name: Check PHP version
	run: php -v

	- name: Validate composer.json and composer.lock
	run: composer validate --strict

	- name: Cache Composer packages
	id: composer-cache
	uses: actions/cache@v3
	with:
	path: vendor
	key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-

	- name: Install dependencies
	run: composer install --prefer-dist --no-progress

	- name: Run test suite
	run: composer test

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