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.
Is like Imagick::thresholdImage() but forces all pixels below the threshold
into black while leaving all pixels above the threshold unchanged.
Parameters
- threshold
The threshold below which everything turns black
Return Values
Returns TRUE on success.
Bookmark this on Delicious
Share on Facebook
Slashdot It!
Digg 
