fix: Improve Yii2 integration component property handling.

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Bug #22: Make `$configPath` optional in constructor `ServiceMap` class and update docs `README.md` (@terabytesoftw)
 - Bug #23: Update the path to `Yii.php` in the `stubFiles` configuration for correct referencing (@terabytesoftw)
+- Bug #24: Improve `Yii2` integration component property handling.
 
 ## 0.2.1 June 03, 2025
 

README.md

@@ -126,21 +126,7 @@ includes:
     - vendor/yii2-extensions/phpstan/extension.neon
 
 parameters:
-    level: 8
-
-    paths:
-        - src
-        - controllers
-        - models
-        - widgets
-
-    excludePaths:
-        - src/legacy
-        - tests/_support
-        - vendor
-
     bootstrapFiles:
-        - config/bootstrap.php
         - tests/bootstrap.php
 
     # Complete dynamic constants list (extension defaults + custom)
@@ -151,7 +137,20 @@ parameters:
         - YII_ENV_PROD
         - YII_ENV_TEST
         - APP_VERSION
-        - MAINTENANCE_MODE
+        - MAINTENANCE_MODE        
+
+    level: 8    
+
+    paths:
+        - src
+        - controllers
+        - models
+        - widgets
+
+    excludePaths:
+        - src/legacy
+        - tests/_support
+        - vendor
 
     yii2:
         config_path: %currentWorkingDirectory%/config/web.php

composer.json

@@ -31,7 +31,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "0.1-dev"
+            "dev-main": "0.2.x-dev"
         }
     },
     "config": {

extension.neon

@@ -9,10 +9,6 @@ parameters:
     yii2:
         config_path: ''
 
-    stubFiles:
-        - stubs/BaseYii.stub
-        - %currentWorkingDirectory%/vendor/yiisoft/yii2/Yii.php
-
 parametersSchema:
 	yii2: structure(
         [

phpstan.neon

@@ -5,6 +5,9 @@ includes:
 	- phar://phpstan.phar/conf/bleedingEdge.neon
 
 parameters:
+    bootstrapFiles:
+        - tests/bootstrap.php
+
     ignoreErrors:
         - '#Calling PHPStan\\Reflection\\Annotations\\AnnotationsPropertiesClassReflectionExtension\:\:(has|get)Property\(\) is not covered.+#'
         - '#Creating new PHPStan\\Reflection\\Dummy\\DummyPropertyReflection is not covered.+#'
@@ -13,9 +16,3 @@ parameters:
 
     paths:
         - src
-
-    scanFiles:
-        - vendor/yiisoft/yii2/Yii.php
-
-    yii2:
-        config_path: tests/fixture/yii-config-valid.php

src/reflection/ApplicationPropertiesClassReflectionExtension.php

@@ -94,6 +94,7 @@ public function getProperty(ClassReflection $classReflection, string $propertyNa
             return new ComponentPropertyReflection(
                 new DummyPropertyReflection($propertyName),
                 new ObjectType($componentClass),
+                $classReflection,
             );
         }
 

src/reflection/ComponentPropertyReflection.php

@@ -8,6 +8,8 @@
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\Type;
 
+use function sprintf;
+
 /**
  * Property reflection wrapper for Yii application components in PHPStan analysis.
  *
@@ -38,9 +40,14 @@ final class ComponentPropertyReflection implements PropertyReflection
      * Creates a new instance of the {@see ComponentPropertyReflection} class.
      *
      * @param PropertyReflection $fallbackProperty Fallback property reflection instance for delegation.
-     * @param Type $type Actual type of the dynamic component as resolved by the service map.
+     * @param Type $type Type of the dynamic component as resolved by the service map or dependency injection.
+     * @param ClassReflection $declaringClass Class reflection of the class declaring the dynamic property.
      */
-    public function __construct(private readonly PropertyReflection $fallbackProperty, private readonly Type $type) {}
+    public function __construct(
+        private readonly PropertyReflection $fallbackProperty,
+        private readonly Type $type,
+        private readonly ClassReflection $declaringClass,
+    ) {}
 
     /**
      * Determines whether the type of the dynamic Yii application component property can change after assignment.
@@ -71,7 +78,7 @@ public function canChangeTypeAfterAssignment(): bool
      */
     public function getDeclaringClass(): ClassReflection
     {
-        return $this->fallbackProperty->getDeclaringClass();
+        return $this->declaringClass;
     }
 
     /**
@@ -99,11 +106,13 @@ public function getDeprecatedDescription(): string|null
      * This method allows static analysis tools and IDEs to display inline documentation for dynamic application
      * components, supporting accurate code completion, type checking, and developer guidance.
      *
-     * @return string|null PHPDoc comment string if available, or `null` if no documentation is set.
+     * @return string PHPDoc comment string for the property, or an empty string if no comment is set.
      */
-    public function getDocComment(): string|null
+    public function getDocComment(): string
     {
-        return $this->fallbackProperty->getDocComment();
+        $componentTypeName = $this->type->describe(\PHPStan\Type\VerbosityLevel::typeOnly());
+
+        return sprintf("/**\n * @var %s\n */", $componentTypeName);
     }
 
     /**
@@ -119,7 +128,7 @@ public function getDocComment(): string|null
      */
     public function getReadableType(): Type
     {
-        return $this->fallbackProperty->getReadableType();
+        return $this->type;
     }
 
     /**
@@ -151,7 +160,7 @@ public function getType(): Type
      */
     public function getWritableType(): Type
     {
-        return $this->fallbackProperty->getWritableType();
+        return $this->type;
     }
 
     /**
@@ -167,7 +176,7 @@ public function getWritableType(): Type
      */
     public function isDeprecated(): TrinaryLogic
     {
-        return $this->fallbackProperty->isDeprecated();
+        return TrinaryLogic::createNo();
     }
 
     /**
@@ -183,7 +192,7 @@ public function isDeprecated(): TrinaryLogic
      */
     public function isInternal(): TrinaryLogic
     {
-        return $this->fallbackProperty->isInternal();
+        return TrinaryLogic::createNo();
     }
 
     /**

src/reflection/UserPropertiesClassReflectionExtension.php

@@ -12,8 +12,9 @@
 };
 use PHPStan\Reflection\Annotations\AnnotationsPropertiesClassReflectionExtension;
 use PHPStan\Reflection\Dummy\DummyPropertyReflection;
-use PHPStan\Type\MixedType;
+use PHPStan\Type\ObjectType;
 use yii\web\User;
+use yii2\extensions\phpstan\ServiceMap;
 
 /**
  * Provides property reflection for a Yii user component in PHPStan analysis.
@@ -49,7 +50,10 @@ final class UserPropertiesClassReflectionExtension implements PropertiesClassRef
      * @param AnnotationsPropertiesClassReflectionExtension $annotationsProperties Extension for handling
      * annotation-based properties.
      */
-    public function __construct(private readonly AnnotationsPropertiesClassReflectionExtension $annotationsProperties) {}
+    public function __construct(
+        private readonly AnnotationsPropertiesClassReflectionExtension $annotationsProperties,
+        private readonly ServiceMap $serviceMap,
+    ) {}
 
     /**
      * Retrieves the property reflection for a given property on the Yii user component.
@@ -69,8 +73,15 @@ public function __construct(private readonly AnnotationsPropertiesClassReflectio
      */
     public function getProperty(ClassReflection $classReflection, string $propertyName): PropertyReflection
     {
-        if ($propertyName === 'identity') {
-            return new ComponentPropertyReflection(new DummyPropertyReflection($propertyName), new MixedType());
+        if (
+            $propertyName === 'identity' &&
+            ($componentClass = $this->serviceMap->getComponentClassById($propertyName)) !== null
+        ) {
+            return new ComponentPropertyReflection(
+                new DummyPropertyReflection($propertyName),
+                new ObjectType($componentClass),
+                $classReflection,
+            );
         }
 
         if ($classReflection->hasNativeProperty($propertyName)) {
@@ -96,10 +107,16 @@ public function getProperty(ClassReflection $classReflection, string $propertyNa
      */
     public function hasProperty(ClassReflection $classReflection, string $propertyName): bool
     {
-        if ($classReflection->getName() !== User::class) {
+        if (
+            $classReflection->getName() !== User::class &&
+            $classReflection->isSubclassOf(User::class) === false) {
             return false;
         }
 
+        if ($propertyName === 'identity' && $this->serviceMap->getComponentClassById($propertyName) !== null) {
+            return true;
+        }
+
         return $classReflection->hasNativeProperty($propertyName)
             || $this->annotationsProperties->hasProperty($classReflection, $propertyName);
     }

tests/bootstrap.php

@@ -9,5 +9,5 @@
 define('YII_ENV', 'test');
 
 // require composer autoloader if available
-require(__DIR__ . '/../vendor/autoload.php');
-require(__DIR__ . '/../vendor/yiisoft/yii2/Yii.php');
+require(dirname(__DIR__) . '/vendor/autoload.php');
+require(dirname(__DIR__) . '/vendor/yiisoft/yii2/Yii.php');