WordPress at a glance
function is not described

WP_REST_Users_Controller::update_item_permissions_check() public WP 4.7.0

Checks if a given request has access to update a user.

{} It's a method of the class: WP_REST_Users_Controller{}

No Hooks.

Return

true/WP_Error. True if the request has access to update the item, WP_Error object otherwise.

Usage

$WP_REST_Users_Controller = new WP_REST_Users_Controller();
$WP_REST_Users_Controller->update_item_permissions_check( $request );
$request(WP_REST_Request) (required)
Full details about the request.

Changelog

Since 4.7.0 Introduced.

Code of WP_REST_Users_Controller::update_item_permissions_check() WP 5.5.1

<?php
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;
}