I have a situation in which certain controller actions need to use an instance of my Model_DbTable_Foo (which extends Zend_Db_Table_Abstract), but those actions also instantiate my Zend_Form subclasses, which also need access to Model_DbTable_Foo for getting data to populate select menu options. It's a waste if each instantiates its own instance. On the other hand I haven't determined what would be the most sensible way for them to share. I suppose the controller could somehow pass the $table instance to the form's constructor.
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