CakeRequest::_processFileData PHP Method

    protected function _processFileData($path, $data, $field)
    {
        foreach ($data as $key => $fields) {
            $newPath = $key;
            if (strlen($path) > 0) {
                $newPath = $path . '.' . $key;
            }
            if (is_array($fields)) {
                $this->_processFileData($newPath, $fields, $field);
            } else {
                $newPath .= '.' . $field;
                $this->data = Hash::insert($this->data, $newPath, $fields);
            }
        }
    }