[wp-hackers] Uninstalling a plugin but keeping its options

Helen Hou-Sandi helen.y.hou at gmail.com
Fri Sep 9 16:54:27 UTC 2011

Do you mean that you're removing the options when you delete it or when you
deactivate it? A single site can deactivate, not delete.

Helen Hou-Sandi

On Fri, Sep 9, 2011 at 11:51 AM, Dino Termini <dino at duechiacchiere.it>wrote:

> Hi all,
> as I was saying in a previous message, I've developed a plugin that works
> in multisite environments. Following Otto's advice, I'm using
> add_site_option to store general (default) options that apply to all the
> blogs in the network.
> Let's say this plugin is not installed network-wide, but just on some blogs
> in the network. The activation process will still initialize the general
> options, which is okay.
> My plugin is programmed, of course, to remove all the options when
> uninstalled. But if blog A uninstalls it, and blog B doesn't, the former
> will cause the general options to be deleted from the database, thus
> creating an inconsistency.
> How can I make sure to remove those options only when no other blogs have
> my plugin installed/active?
> Thank you,
> Dino
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