Add PHP 8.0-8.5 support #13

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	test:
	name: PHP ${{ matrix.php }}${{ matrix.prefer_lowest == '--prefer-lowest' && ' (lowest)' \|\| '' }}
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	php: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
	prefer_lowest: ['']
	# --prefer-lowest only on PHP 7.4: the floor of every dependency
	# lives at 7.4 (mockery 1.6, phpunit 9.6, console-diff-renderer 1.0),
	# so a "lowest" run on PHP 8.x would install deps that don't actually
	# support PHP 8 at runtime.
	include:
	- php: '7.4'
	prefer_lowest: '--prefer-lowest'

	steps:
	- name: Checkout
	uses: actions/checkout@v6

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

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

	- name: Cache Composer packages
	uses: actions/cache@v5
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: composer-${{ matrix.php }}-${{ matrix.prefer_lowest }}-${{ hashFiles('composer.json') }}
	restore-keys: \|
	composer-${{ matrix.php }}-

	- name: Pin Composer platform to the runtime PHP version
	run: composer config platform.php "$(php -r 'echo PHP_VERSION;')"

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

	- name: Lint (phpcs)
	if: matrix.prefer_lowest == ''
	run: vendor/bin/phpcs --standard=./phpcs.xml.dist -p --warning-severity=0 src/ tests/

	- name: Unit tests
	run: vendor/bin/phpunit

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