Andrew,


>  P.S.  Someone replied to an earlier thread I posted to this list and he said
>  that PHP-GTK cannot free up memory in member variables of classes.  His
>  suggestion was to make every variable global and reuse as many as possible, but
>  that's just not viable for my purposes.  Is there an alternative to this?  Is
>  this a documented bug/feature?
The not-freeing-memory is a limitation of PHP4/PHP-Gtk1. You only can
use PHP5 and PHP-Gtk2 that supports freeing mem automatically.

-- 
Regards/MfG,
Christian Weiske