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.
Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.
Parameters
- fillOpacity
the fill opacity
Return Values
No value is returned.