Warning: This function is
currently not documented; only the argument list is
available.
Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
Lets you control the brightness, saturation, and hue of an image. Hue
is the percentage of absolute rotation from the current position. For
example 50 results in a counter-clockwise rotation of 90 degrees, 150
results in a clockwise rotation of 90 degrees, with 0 and 200 both
resulting in a rotation of 180 degrees.
Parameters
- brightness
- saturation
- hue
Return Values
Returns TRUE
on success.