Bump actions/checkout from 2 to 4 #88

	name: PHPStan

	on:
	push:
	branches:
	- master
	pull_request:

	jobs:
	analyse:
	runs-on: ubuntu-latest

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

	- name: Set up PHP 7.4
	uses: shivammathur/setup-php@v2
	with:
	php-version: '7.4'
	extensions: mbstring
	tools: cs2pr

	- name: Validate composer.json and composer.lock
	run: composer validate

	- name: Get Composer Cache Directory
	id: composer-cache
	run: echo "::set-output name=dir::$(composer config cache-files-dir)"

	- name: Cache dependencies
	uses: actions/cache@v2
	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 --no-suggest

	- name: PHPStan
	run: vendor/bin/phpstan analyse --error-format=checkstyle \| sed '/^$/d' \| cs2pr

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