Github Actions: Add PhpStan

.github/workflows/php.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
         os: ['ubuntu-latest']
 
     steps:
@@ -39,7 +39,11 @@ jobs:
         run: rm composer.* && mv vendor real-vendor
 
       - name: Setup dependencies
-        run: composer require -n --no-progress overtrue/phplint
+        run: |
+          composer require -n --no-progress overtrue/phplint
+          git clone --depth 1 https://github.com/Icinga/icingaweb2.git vendor/icingaweb2
+          git clone --depth 1 --b snapshot/nightly https://github.com/Icinga/icinga-php-library.git vendor/icinga-php-library
+          git clone --depth 1 --b snapshot/nightly https://github.com/Icinga/icinga-php-thirdparty.git vendor/icinga-php-thirdparty
 
       - name: PHP Lint
         if: success() || matrix.allow_failure
@@ -48,3 +52,7 @@ jobs:
       - name: PHP CodeSniffer
         if: success() || matrix.allow_failure
         run: phpcs
+
+      - name: PHPStan
+        uses: php-actions/phpstan@v3
+        if: success() || matrix.allow_failure

phpstan.neon

@@ -0,0 +1,16 @@
+parameters:
+    level: 2
+
+    checkFunctionNameCase: true
+    checkInternalClassCaseSensitivity: true
+
+    paths:
+        - application
+        - library
+
+    scanDirectories:
+        - /vendor
+        - vendor
+
+    universalObjectCratesClasses:
+        - Icinga\Web\View