imagexbm вЂ” 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.
Returns TRUE on success or FALSE on failure.
Note: This function is only available if PHP is compiled with the bundled version of the GD library.