initialize phpstan with level 0

.github/workflows/php.yml

@@ -69,6 +69,9 @@ jobs:
             - name: Run tests
               run: XDEBUG_MODE=coverage php vendor/bin/codecept run --coverage --coverage-xml
 
+            - name: Run static code analysis
+              run:  vendor/bin/phpstan analyse
+
             - name: Archive failed tests artifacts - test output & log
               uses: actions/upload-artifact@v2
               if: failure()

composer.json

@@ -61,7 +61,8 @@
         "codeception/module-filesystem": "^1.0",
         "codeception/module-yii2": "^1.1",
         "codeception/module-asserts": "^1.1",
-        "codeception/module-db": "^1.0"
+        "codeception/module-db": "^1.0",
+        "phpstan/phpstan": "^1.8"
     },
     "autoload": {
         "psr-4": {
@@ -74,6 +75,9 @@
         }
     },
     "config": {
+        "platform": {
+            "php": "7.3"
+        },
         "preferred-install": {
             "*": "auto"
         },

phpstan.neon

@@ -0,0 +1,8 @@
+parameters:
+    level: 0
+    paths:
+        - src
+    excludePaths:
+        - 'src/resources/i18n/*'
+    bootstrapFiles:
+        - stan_autoload.php

stan_autoload.php

@@ -0,0 +1,4 @@
+<?php
+
+// PHPStan fails to autoload Yii somehow
+include 'vendor/yiisoft/yii2/Yii.php';