standalone_install.yaml

name: Standalone Install

on: [pull_request, push]

jobs:
    standalone_install:
        runs-on: ubuntu-latest

        strategy:
            fail-fast: false
            matrix:
                php_version: ['7.4', '8.0']

        steps:
            # prepare empty composer.json that allows the phpstan extension plugin
            -   run: composer init --name just/for-test --quiet
            -   run: composer config --no-plugins allow-plugins.phpstan/extension-installer true

            -   run: composer require phpstan/phpstan phpstan/extension-installer --dev
            -   run: composer require symplify/phpstan-rules:dev-main --dev