[HOTFIX] Downgrade to PHP 7.3 #41

	name: Tests

	env:
	php_version: '7.4'

	on:
	push:
	branches:
	- 'main'
	pull_request:

	jobs:
	build:
	runs-on: ubuntu-20.04
	if: ${{ github.event_name == 'push' \|\| (github.event_name == 'pull_request' && github.event.pull_request.head.ref != 'main') }}
	steps:
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ env.php_version }}

	- uses: actions/checkout@v2

	- 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 Composer packages
	uses: actions/cache@v3
	with:
	path: ${{ steps.composer-cache.outputs.dir }}
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-composer-

	- name: Install application dependencies
	run: composer install --prefer-dist --no-progress

	- name: Install dev-ops dependencies
	run: composer install -d ./dev-ops/ci --prefer-dist --no-progress

	- name: Store build
	uses: actions/cache@v3
	id: restore-build
	with:
	path: ./*
	key: ${{ github.sha }}

	phpstan:
	runs-on: ubuntu-20.04
	needs: build
	steps:
	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ env.php_version }}

	- name: Restore build
	uses: actions/cache@v3
	id: restore-build
	with:
	path: ./*
	key: ${{ github.sha }}

	- name: Run test suite
	run: php -d memory_limit=-1 dev-ops/ci/vendor/bin/phpstan analyse -c dev-ops/ci/config/phpstan.neon

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