PHP Extension Google Drive: Get Starting pageToken for Listing Future Changes

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Gets the starting pageToken for listing future changes.

Documentation: https://developers.google.com/drive/v3/reference/changes/getStartPageToken

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

$rest = new CkRest();

//   Provide a previously obtained OAuth2 access token.
$oauth2 = new CkOAuth2();
$oauth2->put_AccessToken('OAUTH2_ACCESS_TOKEN');
$rest->SetAuthOAuth2($oauth2);

$success = $rest->Connect('www.googleapis.com',443,true,true);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

$rest->AddQueryParam('teamDriveId','0AEd3EhGff2SaUk9PVA');
$rest->AddQueryParam('supportsTeamDrives','true');

$sbJson = new CkStringBuilder();
$success = $rest->FullRequestNoBodySb('GET','/drive/v3/changes/startPageToken',$sbJson);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

if ($rest->get_ResponseStatusCode() != 200) {
    print 'Received error response code: ' . $rest->get_ResponseStatusCode() . "\n";
    print 'Response body:' . "\n";
    print $sbJson->getAsString() . "\n";
    exit;
}

$json = new CkJsonObject();
$json->LoadSb($sbJson);

//  The following code parses the JSON response.
//  A sample JSON response is shown below the sample code.

$kind = $json->stringOf('kind');
$startPageToken = $json->stringOf('startPageToken');

print 'Example Completed.' . "\n";

?>

Sample JSON Response Body

{
  "kind": "drive#startPageToken",
  "startPageToken": "13"
}