[wp-hackers] Will Activation Hook Be Executed During Plugin Upgradation?

[Ozh]

Never payed attention to it before, but is there a semantic/usage
difference between "update" and "upgrade" in WP? "Update a plugin" vs
"Upgrade core"?

On Mon, Sep 20, 2010 at 10:21 PM, Dougal Campbell <dougal at gunters.org> wrote:
>  do_action( 'update_plugin_' . $slug );
>  do_action( 'update_theme_' . $slug );
>
> ...during the appropriate upgrade processes. But yeah, regardless of the
> actual implementation, an upgrade hook would be logical and good to have.


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