(PHP 5)
imagexbm — Output XBM image to browser or file
Outputs or save an XBM version of the given image .
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.
You can set the foreground color with this parameter by setting an identifier obtained from imagecolorallocate(). The default foreground color is black.
Devuelve TRUE si todo se llevó a cabo correctamente, FALSE en caso de fallo.
Note: Esta funcion esta disponible solamente si PHP se ha compilado con la version de las bibliotecas GD distribuidas con PHP.