Bump minimum PHP requirement to 7.2 #24

	on:
	pull_request:

	name: Coding Standards

	jobs:
	phpstan:
	name: PHP CS

	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: 7.4
	tools: composer

	- 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

	- name: PHP-CS-Fixer
	run: vendor/bin/php-cs-fixer fix --dry-run -v

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