https://github.com/opencart/opencart/issues/12800 #141

	name: Lint

	on:
	push:
	branches:
	- master
	pull_request:
	types: [opened, synchronize]

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

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	php: ['7.4', '8.0', '8.1', '8.2', '8.3']
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php }}
	tools: composer:v2, cs2pr

	- name: Lint
	run: \|
	error=0
	for file in $(find upload -type f -name ".php" ! -path 'upload/system/storage/vendor/'); do
	php -l -n $file \| grep -v "No syntax errors detected" && error=1
	done
	if [ $error -eq 1 ]; then
	echo "Syntax errors were found."
	exit 1
	else
	echo "No syntax errors were detected."
	fi

	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: \|
	~/.cache/composer/files
	./.cache
	./.php-cs-fixer.cache
	key: ${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}
	restore-keys: ${{ matrix.php }}-

	- name: Check dependencies
	run: composer install

	- name: PHPStan
	run: php tools/phpstan.phar analyze --no-progress

	- name: Code style
	if: matrix.php == '8.3'
	run: \|
	php tools/php-cs-fixer.phar fix --dry-run --diff --ansi \|\| true
	php tools/php-cs-fixer.phar fix --dry-run --format=checkstyle \| cs2pr

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