[wp-hackers] Cannot figure this out: user_has_cap

John Blackbourn johnbillion+wp at gmail.com
Mon Jun 2 16:52:59 UTC 2014

Are you logged in as a super admin on multisite? The user_has_cap filter
doesn't get called in that situation.

My User Switching plugin has a nice bit of documentation with its callback
functions for this filter and the corresponding map_meta_cap filter, which
may help you. See here and here:



On 2 June 2014 17:26, Dino Termini <dino at duechiacchiere.it> wrote:

> Hi list,
> For the life of me, I can't figure this out. I want to prevent my authors
> to edit a bunch of pages on my website.
> Aside from using pre_get_posts to change wp_query, I'd also tweak
> current_user_can "on the fly" and remove "edit_pages" from the user's
> capabilities, if the ID is in my blacklist.
> So I created a plugin with the following code:
> function tweak_edit_page_capability( $allcaps, $caps, $args ) {
>     file_put_contents( '/file/somewhere', 'it works!', FILE_APPEND );
>     return $allcaps;
> }
> add_filter( 'user_has_cap', 'tweak_edit_page_capability', 10, 3 );
> However the function is not called! What am I doing wrong? I've
> deactivated all plugins and reset the theme, but nothing helps!
> Dino.
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