I have some posts that author is Administrator and some other posts that author is Editor

After logging in as Editor, I can edit Administrator posts. I would like to prevent this.

I find some information about filters like user_has_cap and map_meta_cap but i'm not sure it's right direction. Maybe I'm digging too deep and a simpler solution is nearby?

1 Answer 1


map_meta_cap is the correct filter to use.

When WordPress checks whether you have permission to edit a post it checks edit_post. If you are the author of that post, that is mapped to the edit_posts capability, but if you're not it is mapped to edit_others_posts. You can use this filter to add the additional condition that Editors cannot edit posts by Administrators, even if they have edit_others_posts.

In this example, when WordPress checks edit_post, if the post author was an administrator, then the current user also needs to be an administrator to edit it:

    function( $required_caps, $cap, $user_id, $args ) {
        if ( 'edit_post' === $cap) {
            $post = get_post( $args[0] );

            if ( $post && user_can( $post->post_author, 'administrator' ) ) {
                $required_caps[] = 'administrator';

        return $required_caps;

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