Fix phpstan issues

Author: BurntimeX

wcfsetup/install/files/lib/data/article/category/ArticleCategory.class.php

@@ -25,13 +25,8 @@
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @since   3.0
  *
- * @method      ArticleCategory[]   getChildCategories()
- * @method      ArticleCategory[]   getAllChildCategories()
- * @method      ?ArticleCategory     getParentCategory()
- * @method      ArticleCategory[]   getParentCategories()
- * @method static ArticleCategory|null    getCategory($categoryID)
- * @property-read       string $sortField
- * @property-read       string $sortOrder
+ * @property-read string $sortField
+ * @property-read string $sortOrder
  */
 class ArticleCategory extends AbstractDecoratedCategory implements IAccessibleObject, ITitledLinkObject
 {

wcfsetup/install/files/lib/data/category/AbstractDecoratedCategory.class.php

@@ -114,7 +114,6 @@ public function getParentCategories()
     public function getParentCategory()
     {
         if ($this->parentCategoryID && $this->parentCategory === null) {
-            // @phpstan-ignore assign.propertyType
             $this->parentCategory = new static($this->getDecoratedObject()->getParentCategory());
         }
 
@@ -140,7 +139,6 @@ public static function getCategory($categoryID)
     {
         $category = CategoryHandler::getInstance()->getCategory($categoryID);
         if ($category) {
-            // @phpstan-ignore return.type
             return new static($category);
         }
 

wcfsetup/install/files/lib/data/smiley/category/SmileyCategory.class.php

@@ -16,7 +16,7 @@
  * @copyright   2001-2019 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  *
- * @phpstan-ignore missingType.generics
+ * @implements ITraversableObject<Smiley>
  */
 class SmileyCategory extends AbstractDecoratedCategory implements \Countable, ITraversableObject
 {

wcfsetup/install/files/lib/data/trophy/category/TrophyCategory.class.php

@@ -17,12 +17,6 @@
  * @copyright   2001-2019 WoltLab GmbH
  * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
  * @since   3.1
- *
- * @method      TrophyCategory[]    getChildCategories()
- * @method      TrophyCategory[]    getAllChildCategories()
- * @method      TrophyCategory      getParentCategory()
- * @method      TrophyCategory[]    getParentCategories()
- * @method static TrophyCategory|null getCategory($categoryID)
  */
 class TrophyCategory extends AbstractDecoratedCategory implements ITitledLinkObject
 {

wcfsetup/install/files/lib/system/form/builder/field/IFormField.class.php

@@ -76,7 +76,6 @@ public function getSaveValue();
      * Returns the validation errors of this field.
      *
      * @return IFormFieldValidationError[] field validation errors
-     * @phpstan-impure
      */
     public function getValidationErrors();
 

wcfsetup/install/files/lib/system/package/plugin/CronjobPackageInstallationPlugin.class.php

@@ -400,7 +400,6 @@ protected function fetchElementData(\DOMElement $element, $saveData)
             } elseif (isset($descriptions[WCF::getLanguage()->getFixedLanguageCode()])) {
                 $data['description'][$language->languageID] = $descriptions[WCF::getLanguage()->getFixedLanguageCode()];
             } else {
-                // @phpstan-ignore variable.undefined
                 $data['description'][$language->languageID] = \reset($descriptions);
             }
         }