Google App Engine Send Grid PHP attachment - google-app-engine

Question

I am trying to add attachments as shown on https://github.com/sendgrid/sendgrid-google-php. But its not working by this way. I think I tried every possible solution but cant make this work. Here is my code.
<?php
require 'SendGrid_loader.php';
// Connect to your SendGrid account
$sendgrid = new SendGrid\SendGrid('myusername', 'mypassword');
// Make a message object
$mail = new SendGrid\Mail();
// Mail arrayi
$emails = array("mailadress1#test.com","mailadress2#test.com");
$names = array("name1", "name2");
// Add recipients and other message details
$mail->setTos($emails)->
setFrom('testsender#test.com')->
setFromName('Test Sender')->
setReplyTo('testemail#test.com')->
setSubject('Test')->
addAttachment("test.jpg")->
addCategory("TEST-GONDERIM")->
addUniqueArgument("BASIN", "YEREL-BASIN")->
addSubstitution("%name%", $names)->
setText('TEXT BODY MESSAGE')->
setHtml('<strong>%name% MERHABA,</br>BODY MESSAGE</strong>');
// Use the Web API to send your message
$sendgrid->send($mail);
?>
I tried to put test.jpg file on the same folder with this php file. Also tried to add like gs://bucket_name/test.jpg but not working. Any ideas. Thanks in advance

Answer 1

Solved with using web api v2 Curl version like this
$fileName = 'filename.pdf';
$image_data = file_get_contents('gs://my-bucket/filename.pdf');
sending part
$params = array(
'api_user' => $user,
'api_key' => $pass,
'x-smtpapi' => json_encode($json_string),
'to' => 'email#yourdomain.com',
'subject' => 'your subject',
'html' => 'testing body',
'text' => 'testing body',
'from' => 'yourmail#yourdomain.com',
'files['.$fileName.']' => $image_data
);
$request = $url.'api/mail.send.json';