wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:719Checks if a given request has access to update a user.
$requestWP_REST_Requesttrue|WP_Error public function update_item_permissions_check( $request ) { $user = $this->get_user( $request['id'] ); if ( is_wp_error( $user ) ) { return $user; } if ( ! empty( $request['roles'] ) ) { if ( ! current_user_can( 'promote_user', $user->ID ) ) { return new WP_Error( 'rest_cannot_edit_roles', __( 'Sorry, you are not allowed to edit roles of this user.' ), array( 'status' => rest_authorization_required_code() ) ); } $request_params = array_keys( $request->get_params() ); sort( $request_params ); /* * If only 'id' and 'roles' are specified (we are only trying to * edit roles), then only the 'promote_user' cap is required. */ if ( array( 'id', 'roles' ) === $request_params ) { return true; } } if ( ! current_user_can( 'edit_user', $user->ID ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this user.' ), array( 'status' => rest_authorization_required_code() ) ); } return true; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.