Add support for PHP 8.3 #14

	name: tests

	on:
	push:
	pull_request:

	jobs:
	linux_tests:
	runs-on: ubuntu-20.04

	strategy:
	matrix:
	php: ['8.1', '8.2', '8.3']
	stability: ['prefer-lowest', 'prefer-stable']

	name: PHP ${{ matrix.php }} - ${{ matrix.stability }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	tools: composer:v2
	coverage: none

	- name: Install dependencies
	run: composer update --${{ matrix.stability }} --prefer-dist --no-interaction --no-progress

	- name: Execute tests
	run: vendor/bin/phpunit --verbose


	code_checks:
	runs-on: ubuntu-20.04
	name: Static code analysis

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: '8.2'
	extensions: dom, curl, libxml, mbstring, zip, bcmath, gd
	tools: composer
	coverage: none

	- name: Get composer cache directory
	id: composer-cache
	run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT

	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ runner.os }}-composer-

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

	- name: Check composer files
	run: composer validate --strict

	- name: Check coding standard
	run: vendor/bin/php-cs-fixer --no-interaction --dry-run --diff -v fix lib/

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