(PHP 4 >= 4.0.1, PHP 5)
imagewbmp — Output image to browser or file
imagewbmp() outputs or save a WBMP version of the given image .
Eine von den verschiedenen Erzeugungsfunktionen wie imagecreatetruecolor() gelieferte Grafikresource.
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.
Gibt bei Erfolg TRUE zurück, im Fehlerfall FALSE.
Hinweis: WBMP support is only available if PHP was compiled against GD-1.8 or later.