Lint

Merge branch 'trunk' #100

	name: Lint

	on:
	# Run on pushes to select branches and on all pull requests.
	push:
	branches:
	- main
	- trunk
	- 'release/**'
	- 'hotfix/[0-9]+.[0-9]+*'
	pull_request:
	# Allow manually triggering the workflow.
	workflow_dispatch:

	# Cancels all previous workflow runs for the same branch that have not yet completed.
	concurrency:
	# The concurrency group contains the workflow name and the branch name.
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	# Lint against the highest/lowest supported versions of each PHP major.
	# And also do a run against "nightly" (the current dev version of PHP).
	php_version: ['7.4', '8.0', '8.1', '8.2']

	name: "Lint: PHP ${{ matrix.php_version }}"

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php_version }}
	ini-values: zend.assertions=1, error_reporting=-1, display_errors=On
	coverage: none
	tools: cs2pr

	# Install dependencies and handle caching in one go.
	# @link https://github.com/marketplace/actions/install-composer-dependencies
	- name: Install Composer dependencies
	uses: ramsey/composer-install@v2
	with:
	# Bust the cache at least once a month - output format: YYYY-MM-DD.
	custom-cache-suffix: $(date -u -d "-0 month -$(($(date +%d)-1)) days" "+%F")

	- name: Lint against parse errors
	run: composer lint -- --checkstyle \| cs2pr

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