diff --git a/src/app/code/core/Mage/Cms/Controller/Router.php b/src/app/code/core/Mage/Cms/Controller/Router.php
index 0219515..d9fa6ab 100644
--- a/src/app/code/core/Mage/Cms/Controller/Router.php
+++ b/src/app/code/core/Mage/Cms/Controller/Router.php
@@ -39,6 +39,8 @@ public function initControllerRouters($observer)
      *
      * @param Zend_Controller_Request_Http $request
      * @return bool
+     *
+     * @SuppressWarnings(PHPMD.ExitExpression)
      */
     public function match(Zend_Controller_Request_Http $request)
     {
diff --git a/src/app/code/core/Mage/Cms/Helper/Page.php b/src/app/code/core/Mage/Cms/Helper/Page.php
index c76a8a5..1106703 100644
--- a/src/app/code/core/Mage/Cms/Helper/Page.php
+++ b/src/app/code/core/Mage/Cms/Helper/Page.php
@@ -48,6 +48,10 @@ public function renderPage(Mage_Core_Controller_Front_Action $action, $pageId =
      * @param string $pageId
      * @param bool $renderLayout
      * @return bool
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
      */
     protected function _renderPage(Mage_Core_Controller_Varien_Action  $action, $pageId = null, $renderLayout = true)
     {
@@ -137,6 +141,8 @@ protected function _renderPage(Mage_Core_Controller_Varien_Action  $action, $pag
      * @param string $pageId
      * @param bool $renderLayout
      * @return bool
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function renderPageExtended(Mage_Core_Controller_Varien_Action $action, $pageId = null, $renderLayout = true)
     {
diff --git a/src/app/code/core/Mage/Cms/Helper/Wysiwyg/Images.php b/src/app/code/core/Mage/Cms/Helper/Wysiwyg/Images.php
index be198da..a157c25 100644
--- a/src/app/code/core/Mage/Cms/Helper/Wysiwyg/Images.php
+++ b/src/app/code/core/Mage/Cms/Helper/Wysiwyg/Images.php
@@ -115,12 +115,12 @@ public function convertPathToId($path)
     /**
      * Decode HTML element id
      *
-     * @param string $id
+     * @param string $elementId
      * @return string
      */
-    public function convertIdToPath($id)
+    public function convertIdToPath($elementId)
     {
-        $path = $this->idDecode($id);
+        $path = $this->idDecode($elementId);
         $storageRoot = realpath($this->getStorageRoot());
         if (!strstr($path, $storageRoot)) {
             $path = $storageRoot . DS . $path;
@@ -134,6 +134,8 @@ public function convertIdToPath($id)
      * @param string $path Original path
      * @param bool $trim Trim slashes or not
      * @return string
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function correctPath($path, $trim = true)
     {
@@ -177,6 +179,8 @@ public function isUsingStaticUrlsAllowed()
      * @param string $filename Filename transferred via Ajax
      * @param bool $renderAsTag Leave image HTML as is or transform it to controller directive
      * @return string
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function getImageHtmlDeclaration($filename, $renderAsTag = false)
     {
@@ -214,11 +218,11 @@ public function getCurrentPath()
                     $currentPath = $path;
                 }
             }
-            $io = new Varien_Io_File();
-            if (!$io->isWriteable($currentPath) && !$io->mkdir($currentPath)) {
+            $file = new Varien_Io_File();
+            if (!$file->isWriteable($currentPath) && !$file->mkdir($currentPath)) {
                 $message = Mage::helper('cms')->__(
                     'The directory %s is not writable by server.',
-                    $io->getFilteredPath($currentPath)
+                    $file->getFilteredPath($currentPath)
                 );
                 Mage::throwException($message);
             }
diff --git a/src/app/code/core/Mage/Cms/Model/Page.php b/src/app/code/core/Mage/Cms/Model/Page.php
index a9e0b67..d84cf83 100644
--- a/src/app/code/core/Mage/Cms/Model/Page.php
+++ b/src/app/code/core/Mage/Cms/Model/Page.php
@@ -72,10 +72,10 @@ class Mage_Cms_Model_Page extends Mage_Core_Model_Abstract
     /**
      * Page's Statuses
      */
-    public const STATUS_ENABLED = 1;
+    public const STATUS_ENABLED  = 1;
     public const STATUS_DISABLED = 0;
 
-    public const CACHE_TAG              = 'cms_page';
+    public const CACHE_TAG       = 'cms_page';
     protected $_cacheTag         = 'cms_page';
 
     /**
@@ -93,12 +93,12 @@ protected function _construct()
     /**
      * @inheritDoc
      */
-    public function load($id, $field = null)
+    public function load($value, $field = null)
     {
-        if (is_null($id)) {
+        if (is_null($value)) {
             return $this->noRoutePage();
         }
-        return parent::load($id, $field);
+        return parent::load($value, $field);
     }
 
     /**
diff --git a/src/app/code/core/Mage/Cms/Model/Resource/Block.php b/src/app/code/core/Mage/Cms/Model/Resource/Block.php
index f3ca4f8..5115c34 100644
--- a/src/app/code/core/Mage/Cms/Model/Resource/Block.php
+++ b/src/app/code/core/Mage/Cms/Model/Resource/Block.php
@@ -159,6 +159,8 @@ protected function _getLoadSelect($field, $value, $object)
      *
      * @param Mage_Core_Model_Abstract $object
      * @return bool
+     *
+     * @SuppressWarnings(PHPMD.BooleanGetMethodName)
      */
     public function getIsUniqueBlockToStores(Mage_Core_Model_Abstract $object)
     {
@@ -191,10 +193,10 @@ public function getIsUniqueBlockToStores(Mage_Core_Model_Abstract $object)
     /**
      * Get store ids to which specified item is assigned
      *
-     * @param int $id
+     * @param int $blockId
      * @return array
      */
-    public function lookupStoreIds($id)
+    public function lookupStoreIds($blockId)
     {
         $adapter = $this->_getReadAdapter();
 
@@ -203,7 +205,7 @@ public function lookupStoreIds($id)
             ->where('block_id = :block_id');
 
         $binds = [
-            ':block_id' => (int) $id
+            ':block_id' => (int) $blockId
         ];
 
         return $adapter->fetchCol($select, $binds);
diff --git a/src/app/code/core/Mage/Cms/Model/Resource/Block/Collection.php b/src/app/code/core/Mage/Cms/Model/Resource/Block/Collection.php
index 2cab27d..680369a 100644
--- a/src/app/code/core/Mage/Cms/Model/Resource/Block/Collection.php
+++ b/src/app/code/core/Mage/Cms/Model/Resource/Block/Collection.php
@@ -47,6 +47,8 @@ public function toOptionArray()
      * @param int|Mage_Core_Model_Store $store
      * @param bool $withAdmin
      * @return $this
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function addStoreFilter($store, $withAdmin = true)
     {
diff --git a/src/app/code/core/Mage/Cms/Model/Resource/Page.php b/src/app/code/core/Mage/Cms/Model/Resource/Page.php
index 4bc973e..e651ff7 100644
--- a/src/app/code/core/Mage/Cms/Model/Resource/Page.php
+++ b/src/app/code/core/Mage/Cms/Model/Resource/Page.php
@@ -215,6 +215,8 @@ protected function _getLoadByIdentifierSelect($identifier, $store, $isActive = n
      *
      * @param Mage_Core_Model_Abstract|Mage_Cms_Model_Page $object
      * @return bool
+     *
+     * @SuppressWarnings(PHPMD.BooleanGetMethodName)
      */
     public function getIsUniquePageToStores(Mage_Core_Model_Abstract $object)
     {
@@ -306,10 +308,10 @@ public function getCmsPageTitleByIdentifier($identifier)
     /**
      * Retrieves cms page title from DB by passed id.
      *
-     * @param string $id
+     * @param string $pageId
      * @return string
      */
-    public function getCmsPageTitleById($id)
+    public function getCmsPageTitleById($pageId)
     {
         $adapter = $this->_getReadAdapter();
 
@@ -318,7 +320,7 @@ public function getCmsPageTitleById($id)
             ->where('page_id = :page_id');
 
         $binds = [
-            'page_id' => (int) $id
+            'page_id' => (int) $pageId
         ];
 
         return $adapter->fetchOne($select, $binds);
@@ -327,10 +329,10 @@ public function getCmsPageTitleById($id)
     /**
      * Retrieves cms page identifier from DB by passed id.
      *
-     * @param string $id
+     * @param string $pageId
      * @return string|false
      */
-    public function getCmsPageIdentifierById($id)
+    public function getCmsPageIdentifierById($pageId)
     {
         $adapter = $this->_getReadAdapter();
 
@@ -339,7 +341,7 @@ public function getCmsPageIdentifierById($id)
             ->where('page_id = :page_id');
 
         $binds = [
-            'page_id' => (int) $id
+            'page_id' => (int) $pageId
         ];
 
         return $adapter->fetchOne($select, $binds);
diff --git a/src/app/code/core/Mage/Cms/Model/Resource/Page/Collection.php b/src/app/code/core/Mage/Cms/Model/Resource/Page/Collection.php
index d8a85cd..f4530a2 100644
--- a/src/app/code/core/Mage/Cms/Model/Resource/Page/Collection.php
+++ b/src/app/code/core/Mage/Cms/Model/Resource/Page/Collection.php
@@ -62,6 +62,7 @@ public function toOptionIdArray()
         foreach ($this as $item) {
             $identifier = $item->getData('identifier');
 
+            $data = [];
             $data['value'] = $identifier;
             $data['label'] = $item->getData('title');
 
@@ -82,6 +83,8 @@ public function toOptionIdArray()
      *
      * @param bool $flag
      * @return $this
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function setFirstStoreFlag($flag = false)
     {
@@ -131,6 +134,8 @@ protected function _afterLoad()
      * @param int|Mage_Core_Model_Store $store
      * @param bool $withAdmin
      * @return $this
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function addStoreFilter($store, $withAdmin = true)
     {
diff --git a/src/app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php b/src/app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
index f4088e0..6c8b6ce 100644
--- a/src/app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
+++ b/src/app/code/core/Mage/Cms/Model/Wysiwyg/Images/Storage.php
@@ -18,6 +18,8 @@
  *
  * @category   Mage
  * @package    Mage_Cms
+ *
+ * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
  */
 class Mage_Cms_Model_Wysiwyg_Images_Storage extends Varien_Object
 {
@@ -44,6 +46,9 @@ class Mage_Cms_Model_Wysiwyg_Images_Storage extends Varien_Object
      *
      * @param string $path Parent directory path
      * @return Varien_Data_Collection_Filesystem
+     *
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
      */
     public function getDirsCollection($path)
     {
@@ -190,8 +195,8 @@ public function createDirectory($name, $path)
             Mage::throwException(Mage::helper('cms')->__('A directory with the same name already exists. Please try another folder name.'));
         }
 
-        $io = new Varien_Io_File();
-        if ($io->mkdir($newPath)) {
+        $file = new Varien_Io_File();
+        if ($file->mkdir($newPath)) {
             if (Mage::helper('core/file_storage_database')->checkDbUsage()) {
                 $relativePath = Mage::helper('core/file_storage_database')->getMediaRelativePath($newPath);
                 Mage::getModel('core/file_storage_directory_database')->createRecursive($relativePath);
@@ -218,12 +223,12 @@ public function deleteDirectory($path)
         $rootCmp = rtrim($this->getHelper()->getStorageRoot(), DS);
         $pathCmp = rtrim($path, DS);
 
-        $io = new Varien_Io_File();
+        $file = new Varien_Io_File();
 
         if ($rootCmp == $pathCmp) {
             Mage::throwException(Mage::helper('cms')->__(
                 'Cannot delete root directory %s.',
-                $io->getFilteredPath($path)
+                $file->getFilteredPath($path)
             ));
         }
         if (str_contains($pathCmp, chr(0))
@@ -235,12 +240,12 @@ public function deleteDirectory($path)
         if (Mage::helper('core/file_storage_database')->checkDbUsage()) {
             Mage::getModel('core/file_storage_directory_database')->deleteDirectory($path);
         }
-        if (!$io->rmdir($path, true)) {
-            Mage::throwException(Mage::helper('cms')->__('Cannot delete directory %s.', $io->getFilteredPath($path)));
+        if (!$file->rmdir($path, true)) {
+            Mage::throwException(Mage::helper('cms')->__('Cannot delete directory %s.', $file->getFilteredPath($path)));
         }
 
         if (str_starts_with($pathCmp, $rootCmp)) {
-            $io->rmdir($this->getThumbnailRoot() . DS . ltrim(substr($pathCmp, strlen($rootCmp)), '\\/'), true);
+            $file->rmdir($this->getThumbnailRoot() . DS . ltrim(substr($pathCmp, strlen($rootCmp)), '\\/'), true);
         }
     }
 
@@ -252,13 +257,13 @@ public function deleteDirectory($path)
      */
     public function deleteFile($target)
     {
-        $io = new Varien_Io_File();
-        $io->rm($target);
+        $file = new Varien_Io_File();
+        $file->rm($target);
         Mage::helper('core/file_storage_database')->deleteFile($target);
 
         $thumb = $this->getThumbnailPath($target, true);
         if ($thumb) {
-            $io->rm($thumb);
+            $file->rm($thumb);
             Mage::helper('core/file_storage_database')->deleteFile($thumb);
         }
         return $this;
@@ -311,9 +316,11 @@ public function uploadFile($targetPath, $type = null)
     /**
      * Thumbnail path getter
      *
-     * @param  string $filePath original file path
+     * @param string $filePath original file path
      * @param bool $checkFile OPTIONAL is it necessary to check file availability
      * @return string | false
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function getThumbnailPath($filePath, $checkFile = false)
     {
@@ -333,9 +340,11 @@ public function getThumbnailPath($filePath, $checkFile = false)
     /**
      * Thumbnail URL getter
      *
-     * @param  string $filePath original file path
+     * @param string $filePath original file path
      * @param bool $checkFile OPTIONAL is it necessary to check file availability
      * @return string|false
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function getThumbnailUrl($filePath, $checkFile = false)
     {
@@ -358,6 +367,8 @@ public function getThumbnailUrl($filePath, $checkFile = false)
      * @param string $source Image path to be resized
      * @param bool $keepRation Keep aspect ratio or not
      * @return bool|string Resized filepath or false if errors were occurred
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function resizeFile($source, $keepRation = true)
     {
@@ -366,11 +377,11 @@ public function resizeFile($source, $keepRation = true)
         }
 
         $targetDir = $this->getThumbsPath($source);
-        $io = new Varien_Io_File();
-        if (!$io->isWriteable($targetDir)) {
-            $io->mkdir($targetDir);
+        $file = new Varien_Io_File();
+        if (!$file->isWriteable($targetDir)) {
+            $file->mkdir($targetDir);
         }
-        if (!$io->isWriteable($targetDir)) {
+        if (!$file->isWriteable($targetDir)) {
             return false;
         }
         $image = Varien_Image_Adapter::factory('GD2');
@@ -414,6 +425,8 @@ public function resizeOnTheFly($filename)
      *
      * @param false|string $filePath Path to the file
      * @return string
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function getThumbsPath($filePath = false)
     {
@@ -480,6 +493,8 @@ public function getConfigAsArray()
      * @param string $key
      * @param mixed $default
      * @return mixed
+     *
+     * @SuppressWarnings(PHPMD.BooleanArgumentFlag)
      */
     public function getConfigData($key, $default = false)
     {
diff --git a/src/app/code/core/Mage/Cms/controllers/IndexController.php b/src/app/code/core/Mage/Cms/controllers/IndexController.php
index 2472c01..bda2994 100644
--- a/src/app/code/core/Mage/Cms/controllers/IndexController.php
+++ b/src/app/code/core/Mage/Cms/controllers/IndexController.php
@@ -25,6 +25,8 @@ class Mage_Cms_IndexController extends Mage_Core_Controller_Front_Action
      * Renders CMS Home page
      *
      * @param string $coreRoute
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function indexAction($coreRoute = null)
     {
@@ -52,6 +54,8 @@ public function defaultIndexAction()
      * Render CMS 404 Not found page
      *
      * @param string $coreRoute
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function noRouteAction($coreRoute = null)
     {