Merge pull request #4 from hirokinoue/fix-diagram-drawing-bug #10

	name: "Static analysis"

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

	jobs:
	phpstan:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	php-version: ['7.4', '8.1', '8.2']
	name: PHP ${{ matrix.php-version }} Static Analysis
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 1

	- name: Install PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: ${{ matrix.php-version }}
	tools: composer:v2
	coverage: none
	fail-fast: true

	- name: Cache Composer dependencies
	uses: actions/cache@v4
	with:
	path: vendor
	key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-composer-

	- name: Install dependencies
	run: composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader

	- name: Run PHPStan
	run: composer phpstan

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