Where does the call for is_visible() come from? I get a notice for an undefined funtion and see it getting called twice.
Where does the call for is_visible() come from? I get a notice for an undefined funtion and see it getting called twice.
Debug_Bar::init_panels() and Debug_Bar::render() call is_visible() on all registered panels.
Normally a panel is a subclass of Debug_Bar_Panel which contains a default implementation of is_visible
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