(PHP ActiveX) Get GMail Message Metadata

Demonstrates how to get the metadata for each message in a list of message IDs.

For more information, see https://developers.google.com/gmail/api/v1/reference/users/messages/get

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows Note: The php_com_dotnet.dll may need to be enabled inside of php.ini.

<?php

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Http')
$http = new COM("Chilkat.Http");

$http->AuthToken = 'ACCESS_TOKEN';

$http->Accept = 'application/json';

// Let's say we have the following JSON containing a list of message ID's

// {
//   "messages": [
//     {
//       "id": "1712bc1dc22da2a2",
//       "threadId": "1712bc1dc22da2a2"
//     },
//     {
//       "id": "1712b94fa2168040",
//       "threadId": "1712b94fa2168040"
//     },
//     {
//       "id": "1711e4bd96ded05e",
//       "threadId": "1711e4bd96ded05e"
//     },
//     {
//       "id": "1711de0d119e751e",
//       "threadId": "1711de0d119e751e"
//     },
//     {
//       "id": "1711c81a43050f59",
//       "threadId": "1711c81a43050f59"
//     },
//     {
//       "id": "1711c2c1516abce5",
//       "threadId": "1711c2c1516abce5"
//     },
//     {
//       "id": "1711c161e655c915",
//       "threadId": "1711c161e655c915"
//     },
//     {
//       "id": "171199c6e454558c",
//       "threadId": "171199c6e454558c"
//     },
//     {
//       "id": "17119474c8aa248e",
//       "threadId": "17119474c8aa248e"
//     }
//   ],
//   "nextPageToken": "16710921492249671162",
//   "resultSizeEstimate": 309
// }

// Normally your program would have the above JSON in a string variable (obtained from a previous call to get
// a list of message IDs from a GMail mailbox).  In this example, we'll load the JSON from a file.
// For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
$jsonMsgIds = new COM("Chilkat.JsonObject");
$success = $jsonMsgIds->LoadFile('qa_data/json/gmail_message_ids.json');

$i = 0;
$count_i = $jsonMsgIds->SizeOfArray('messages');
while ($i < $count_i) {
    $jsonMsgIds->I = $i;
    $id = $jsonMsgIds->stringOf('messages[i].id');

    // Get the metadata for this message ID.
    $http->SetUrlVar('id',$id);

    // resp is a Chilkat.HttpResponse
    $resp = $http->QuickRequest('GET','https://www.googleapis.com/gmail/v1/users/userId/messages/{$id}?format=metadata');
    if ($http->LastMethodSuccess != 1) {
        print $http->LastErrorText . "\n";
        exit;
    }

    print 'Response Status Code: ' . $resp->StatusCode . "\n";

    // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject')
    $jsonResponse = new COM("Chilkat.JsonObject");
    $jsonResponse->Load($resp->BodyStr);
    $jsonResponse->EmitCompact = 0;
    print $jsonResponse->emit() . "\n";

    if ($resp->StatusCode != 200) {
        print 'Failed.' . "\n";

        exit;
    }

    $i = $i + 1;
}

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

?>