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.
Append a set of images.
Parameters
- stack
The direction of the stack (top to bottom or bottom to top)
Return Values
Returns Imagick instance on success, throws ImagickException on failure.