private function checkImageUrl($image)
    {
        if ( ! filter_var($image, FILTER_VALIDATE_URL)) {
            throw Exceptions\InvalidImageUrlException::make($image);
        }

        return $image;
    }
private function checkImageUrl($image)
    {
        if ( ! filter_var($image, FILTER_VALIDATE_URL)) {
            throw Exceptions\InvalidImageUrlException::make($image);
        }

        return $image;
    }
private function checkImageUrl ( $ image ) { if ( ! filter_var ( $ image , FILTER_VALIDATE_URL ) ) { throw Exceptions \ InvalidImageUrlException :: make ( $ image ) ; } return $ image ; }
Check image url.

@param  string  $image

@return string

@throws \Arcanedev\Gravatar\Exceptions\InvalidImageUrlException
Check image url .