ci: add PHP lint workflow for syntax and coding standards checks #2

	name: PHP Lint

	on:
	pull_request:
	push:
	branches-ignore:
	- develop
	- main

	# Disable all permissions by default; grant minimal permissions per job
	permissions: {}

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	lint:
	name: PHP Syntax and Coding Standards
	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	persist-credentials: false

	- name: Setup PHP
	uses: shivammathur/setup-php@9e72090525849c5e82e596468b86eb55e9cc5401 # 2.32.0
	with:
	php-version: '8.2'
	tools: composer, cs2pr

	- name: Install Composer dependencies
	uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
	with:
	composer-options: --prefer-dist --no-progress

	- name: PHP syntax lint
	run: composer lint-ci \| cs2pr

	- name: PHP coding standards
	# continue-on-error until existing violations are addressed
	continue-on-error: true
	run: composer cs -- --report=checkstyle \| cs2pr

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