Rules for protected properties and const (#1)

* Added rules for protected properties and constants
* Added github workflow

Author: pmarki

.github/workflows/checks.yaml

@@ -0,0 +1,50 @@
+name: Checks
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+jobs:
+  checks:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      -
+        name: Checkout repo
+        uses: actions/checkout@v4
+      -
+        name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.2
+      -
+        name: Install dependencies
+        run: composer install --no-progress --prefer-dist --no-interaction
+
+      -
+        name: Check formatting
+        run: vendor/bin/ecs
+
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: ['8.2', '8.3']
+        dependency-version: [ prefer-lowest, prefer-stable ]
+    steps:
+      -
+        name: Checkout repo
+        uses: actions/checkout@v4
+      -
+        name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+      -
+        name: Install dependencies
+        run: composer update --no-progress --${{ matrix.dependency-version }} --prefer-dist --no-interaction
+      -
+        name: Run PHPUnit tests
+        run: composer test

.gitignore

@@ -0,0 +1,3 @@
+/vendor/
+/.idea/
+/.phpunit.cache/

README.md

@@ -1,2 +1,6 @@
 # phpstan-rules
 Set of additional PHPStan rules
+
+- check if property and constant shouldn't be set as protected (when is not inherited or class is not abstract)
+- check if property name starts with underscore
+- check if constant name is uppercase

composer.json

@@ -0,0 +1,46 @@
+{
+  "name": "pmarki/phpstan-rules",
+  "type": "phpstan-extension",
+  "description": "Set of additional PHPStan rules",
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Piotr Markiewicz",
+      "email": "email@markiewicz.xyz"
+    }
+  ],
+  "keywords": [
+    "static analysis"
+  ],
+  "extra": {
+    "phpstan": {
+      "includes": [
+        "extension.neon"
+      ]
+    }
+  },
+  "require": {
+    "php": "^8.2",
+    "phpstan/phpstan": "^2.0"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^10.1 || ^11.0 || ^12.0",
+    "symplify/easy-coding-standard": "^12.5"
+  },
+  "autoload": {
+    "psr-4": {"PMarki\\PHPStanRules\\": "src"}
+  },
+  "autoload-dev": {
+    "psr-4": {"PMarki\\PHPStanRules\\Tests\\": "tests"},
+    "classmap": ["tests/fixtures"]
+  },
+  "scripts": {
+    "ecs": "vendor/bin/ecs --fix",
+    "test": "vendor/bin/phpunit --colors=always"
+  },
+  "config": {
+    "allow-plugins": {
+      "dealerdirect/phpcodesniffer-composer-installer": true
+    }
+  }
+}