[wp-hackers] add_submenu_page() with no parent

Pascal Birchler pascal.birchler at gmail.com
Tue Aug 13 13:47:39 UTC 2013

Looks like an error in the Codex to me, since this isn't documented in
the function
I don't know if this was possible earlier, though. Maybe someone else knows
more about this function's history?

2013/8/13 Jonathan Brinley <jonathanbrinley at gmail.com>

> According to the codex (
> http://codex.wordpress.org/Function_Reference/add_submenu_page#Parameters)
> you can call add_submenu_page() with NULL or options.php as the parent to
> create an admin page that doesn't appear in the admin menu. options.php
> does, indeed, work for this, and NULL seems to work on multisite, but not
> single site installs.
> On a single site install, the permissions check
> in user_can_access_admin_page() gets the incorrect page hook name when it
> calls get_plugin_page_hookname(). A page registered with a NULL parent gets
> the hook "dashboard_page_*", but get_plugin_page_hookname() returns
> "admin_page_*". On multisite, it correctly returns "dashboard_page_*".
> So, finally, to my question: is this a bug in the documentation, or a bug
> in the code? It looks like NULL is unpredictable, and options.php is the
> only safe way to register an orphan admin page.
> Have a nice day,
> Jonathan
> --
> Jonathan M. Brinley
> jonathanbrinley at gmail.com
> http://xplus3.net/
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