<?php
use Microsoft\Graph\GraphServiceClient;
use Microsoft\Graph\Generated\Models\Team;
use Microsoft\Graph\Generated\Models\ConversationMember;
use Microsoft\Graph\Generated\Models\AadUserConversationMember;
$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);
$requestBody = new Team();
$requestBody->setDisplayName('My Sample Team');
$requestBody->setDescription('My sample team’s description');
$requestBody->setFirstChannelName('My first channel of the sample team');
$membersConversationMember1 = new AadUserConversationMember();
$membersConversationMember1->setOdataType('#microsoft.graph.aadUserConversationMember');
$membersConversationMember1->setRoles(['owner', ]);
$additionalData = [
'user@odata.bind' => 'https://graph.microsoft.com/v1.0/users(\'0040b377-61d8-43db-94f5-81374122dc7e\')',
];
$membersConversationMember1->setAdditionalData($additionalData);
$membersArray []= $membersConversationMember1;
$requestBody->setMembers($membersArray);
$additionalData = [
'template@odata.bind' => 'https://graph.microsoft.com/v1.0/teamsTemplates(\'standard\')',
];
$requestBody->setAdditionalData($additionalData);
$result = $graphServiceClient->teams()->post($requestBody)->wait();