( resource window, int &y, int &x )
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.
ncurses_getmaxyx() puts the horizontal and
vertical size of the window window
into the given variables y and
x. Variables must be passed
as reference, so they are updated when the user changes terminal