Dev: Remove unused variable

application/models/UpdateForm.php

@@ -827,8 +827,10 @@ private function _fileSystemCheck($obj)
 
     /**
      * build the file / Directory path using APPATH, and then call the check method
+     * NB: This method is called by building the method name string in _getFileSystemCheckList.
      * @param object $obj an object containing the name of the file/directory to check, and what must be checked
      * @return stdClass the result of the test
+     * @SuppressWarnings(PHPMD.UnusedPrivateMethod)
      */
     private function _fileSystemCheckAppath($obj)
     {
@@ -839,8 +841,10 @@ private function _fileSystemCheckAppath($obj)
 
     /**
      * build the file / Directory path using getConfig(), and then call the check method
+     * NB: This method is called by building the method name string in _getFileSystemCheckList.
      * @param object $obj an object containing the name of the file/directory to check, and what must be checked
      * @return stdClass the result of the test
+     * @SuppressWarnings(PHPMD.UnusedPrivateMethod)
      */
     private function _fileSystemCheckConfig($obj)
     {
@@ -959,7 +963,7 @@ private function _performDownload($getters, $fileName = 'update')
         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
         curl_setopt($ch, CURLOPT_FILE, $pFile);
-        $content = curl_exec($ch);
+        curl_exec($ch);
         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE); // But we want the header to be returned to the controller so we can check if a file has been returned
         curl_close($ch);