<?php
use Microsoft\Graph\Beta\GraphServiceClient;
use Microsoft\Graph\Beta\Generated\IdentityGovernance\LifecycleWorkflows\Workflows\Item\TaskReports\TaskReportsRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new TaskReportsRequestBuilderGetRequestConfiguration();
$queryParameters = TaskReportsRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->select = ["id","failedUsersCount","processingStatus","successfulUsersCount","totalUsersCount","unprocessedUsersCount","taskDefinition","taskProcessingResults"];
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->identityGovernance()->lifecycleWorkflows()->workflows()->byWorkflowId('workflow-id')->taskReports()->get($requestConfiguration)->wait();