Neos\ContentRepository\Domain\Repository\NodeDataRepository::collectWorkspaceAndAllBaseWorkspaces PHP Method

    protected function collectWorkspaceAndAllBaseWorkspaces(Workspace $workspace)
    {
        $workspaces = [];
        while ($workspace !== null) {
            $workspaces[] = $workspace;
            $workspace = $workspace->getBaseWorkspace();
        }
        return $workspaces;
    }