protected function getImageSizes()
    {
        if (is_callable($this->_imageSizes)) {
            return call_user_func($this->_imageSizes, $this->owner);
        } else {
            return $this->_imageSizes;
        }
    }
protected function getImageSizes()
    {
        if (is_callable($this->_imageSizes)) {
            return call_user_func($this->_imageSizes, $this->owner);
        } else {
            return $this->_imageSizes;
        }
    }
protected function getImageSizes ( ) { if ( is_callable ( $ this -> _imageSizes ) ) { return call_user_func ( $ this -> _imageSizes , $ this -> owner ) ; } else { return $ this -> _imageSizes ; } }
Get image sizes

@return array
Get image sizes