protected function fileData($key, $default = null)
    {
        $this->guardDeletedFile();

        return isset($this->data[$key]) ? $this->data[$key] : $default;
    }
protected function fileData($key, $default = null)
    {
        $this->guardDeletedFile();

        return isset($this->data[$key]) ? $this->data[$key] : $default;
    }
protected function fileData ( $ key , $ default = null ) { $ this -> guardDeletedFile ( ) ; return isset ( $ this -> data [ $ key ] ) ? $ this -> data [ $ key ] : $ default ; }
Returns specific file data.

@param string $key
@param mixed  $default = null

@throws \LogicException

@return mixed|null
Returns specific file data .