<?php
use Microsoft\Graph\GraphServiceClient;
use Microsoft\Graph\Generated\Teams\Item\Channels\GetAllMessages\GetAllMessagesRequestBuilderGetRequestConfiguration;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestConfiguration = new GetAllMessagesRequestBuilderGetRequestConfiguration();
$queryParameters = GetAllMessagesRequestBuilderGetRequestConfiguration::createQueryParameters();
$queryParameters->filter = "lastModifiedDateTime gt 2019-11-01T00:00:00Z and lastModifiedDateTime lt 2021-11-01T00:00:00Z";
$requestConfiguration->queryParameters = $queryParameters;
$result = $graphServiceClient->teams()->byTeamId('team-id')->channels()->getAllMessages()->get($requestConfiguration)->wait();