Scales an image to the specified size.
object $image: An image object. The $image->resource, $image->info['width'], and $image->info['height'] values will be modified by this call.
int $width: The new width of the resized image, in pixels.
int $height: The new height of the resized image, in pixels.
bool TRUE or FALSE, based on success.
function resize($image, $width, $height);