User Teams

Description

On a large multisite network, granting a group of people the same role across many sites usually means adding each user to each site by hand — and remembering to remove them everywhere when they leave. User Teams turns that into:

1. Create a team, pick a role.
2. Add the user to the team.
3. They have that role everywhere the team applies.
4. Remove them from the team → access is gone everywhere.

User Teams is multisite-only by design — on a single-site install, native WordPress roles and capabilities already cover the whole feature set, so WordPress won’t offer it for activation there.

Features

• Teams with roles. Each team carries a WordPress role (editor, administrator, a custom role, or none).
• Runtime capability grants. Team access is added via the user_has_cap filter, so removing a user from a team drops their access on the next request — no stale capabilities usermeta to clean up.
• Multisite-native. Team definitions are real wp_users rows (“team accounts”), so WP_Users_List_Table, is_user_member_of_blog(), and every column-adding plugin “just work”.
• Site scoping. A team can apply network-wide (including sites added later) or to a specific list of sites, each with its own role.
• Admin UI. Network Admin → Users → Teams. Per-user checkboxes on the Edit User screen. Team rows with “— Team” markers on the Users list table.
• Cleans up after itself. Deleting a team removes its memberships. Deleting a user drops their memberships. Deleting a site removes its grants from any team that targeted it.

How access is granted

Team-derived capabilities are merged in at runtime, never written into the member user’s own meta:

• user_has_cap — adds the team role’s capabilities to the user’s effective caps, plus role-{slug} for plugins that check by role.
• get_blogs_of_user — adds team-linked sites to the user’s “My Sites” navigation.
• get_user_metadata — returns an empty-array {prefix}{blog_id}_capabilities for team members so is_user_member_of_blog() returns true without stamping real capabilities on the user. Workaround for Core #65096.

The user’s actual {prefix}capabilities usermeta is never modified. That’s what makes team-based access instantly revocable.

Capability requirements

• Managing teams (create / edit / delete) requires manage_network_users — super admin only.
• Attaching an existing team to the current site uses promote_users, the same cap as inviting an individual user there.

Team management is restricted to super admins so a compromised single-site admin can’t grant themselves access across the network.

Extension filters

• user_teams_team_caps_for_user( $caps, $user_id, $blog_id ) — modify the capability map computed from a user’s teams.
• user_teams_team_applies_to_site( $applies, $team_id, $blog_id, $team ) — gate coverage (e.g. pause a team during a freeze).
• user_teams_team_save_data( $data, $team_id_or_null, $op ) — filter sanitised input on create/update.