Use PHPStan level 6 (#13308)

.github/workflows/lint.yml

@@ -36,18 +36,6 @@ jobs:
       -
         name: Checkout Code
         uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
-
-      -
-        name: Determine added files
-        run: |
-          ADDED_FILES=$(git diff --name-only --diff-filter="A" origin/master -- app/ config/ database/ LibreNMS/ resources/ tests/ | tr '\n' ' '|sed 's/,*$//g')
-          echo $ADDED_FILES
-
-          echo 'ADDED_FILES<<EOF' >> $GITHUB_ENV
-          echo $ADDED_FILES >> $GITHUB_ENV
-          echo 'EOF' >> $GITHUB_ENV
 
       -
         name: Set up PHP
@@ -88,8 +76,3 @@ jobs:
       -
         name: Run PHPStan
         run: ./vendor/bin/phpstan analyze --no-interaction --no-progress --error-format=github --memory-limit=4G
-
-      -
-        name: Run PHPStan (New files)
-        run: ./vendor/bin/phpstan analyze --no-interaction --no-progress --error-format=github --memory-limit=4G --level=6 -- $ADDED_FILES
-        if: ${{ env.ADDED_FILES }}

phpstan.neon

@@ -18,7 +18,7 @@ parameters:
     scanDirectories:
         - includes
 
-    level: 5
+    level: 6
 
     checkMissingIterableValueType: false
     treatPhpDocTypesAsCertain: false