(PHP Extension) WhatsApp - Send a Linked Media Message

Demonstrates how to send a media message where the media content is a link to an external URL. This example demonstrates sending an image (JPG) media message.

For more information, see https://developers.facebook.com/docs/whatsapp/api/messages/media

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux

<?php

include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0

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

$http = new CkHttp();

// Implements the following CURL command:

// curl -X POST https://example.com/v1/messages \
//   -H "Authorization: Bearer your-auth-token" \
//   -d '
// {
//     "recipient_type": "individual-or-group",
//     "to": "whatsapp-id-or-group-id",
//     "type": "image",
//     "image": {
//       "link": "http(s)://the-url",
//       "provider": {
//         "name" : "provider-name"
//       },
//     "caption": "your-image-caption"
//   }
// }'

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

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

// The following JSON is sent in the request body.

// {
//   "recipient_type": "individual-or-group",
//   "to": "whatsapp-id-or-group-id",
//   "type": "image",
//   "image": {
//     "link": "http(s)://the-url",
//     "provider": {
//       "name": "provider-name"
//     },
//     "caption": "your-image-caption"
//   }
// }

$json = new CkJsonObject();
$json->UpdateString('recipient_type','individual-or-group');
$json->UpdateString('to','whatsapp-id-or-group-id');
$json->UpdateString('type','image');
$json->UpdateString('image.link','http(s)://the-url');
$json->UpdateString('image.provider.name','provider-name');
$json->UpdateString('image.caption','your-image-caption');

// Adds the "Authorization: Bearer your-auth-token" header.
$http->put_AuthToken('your-auth-token');

// resp is a CkHttpResponse
$resp = $http->PostJson3('https://example.com/v1/messages','application/json',$json);
if ($http->get_LastMethodSuccess() == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

$sbResponseBody = new CkStringBuilder();
$resp->GetBodySb($sbResponseBody);
$jResp = new CkJsonObject();
$jResp->LoadSb($sbResponseBody);
$jResp->put_EmitCompact(false);

print 'Response Body:' . "\n";
print $jResp->emit() . "\n";

$respStatusCode = $resp->get_StatusCode();
print 'Response Status Code = ' . $respStatusCode . "\n";
if ($respStatusCode >= 400) {
    print 'Response Header:' . "\n";
    print $resp->header() . "\n";
    print 'Failed.' . "\n";

    exit;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "messages": [
//     {
//       "id": "gBEGkYiEB1VXAglK1ZEqA1YKPrU"
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

$i = 0;
$count_i = $jResp->SizeOfArray('messages');
while ($i < $count_i) {
    $jResp->put_I($i);
    $id = $jResp->stringOf('messages[i].id');
    $i = $i + 1;
}


?>