WP_REST_Users_Controller::update_item_permissions_check( WP_REST_Request $request ): true|WP_Error

Source

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;
}

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