<?php
require 'vendor/autoload.php'; // If you're using Composer (recommended)
// comment out the above line if not using Composer
// require("./sendgrid-php.php"); 
// If not using Composer, uncomment the above line


$apiKey = getenv('SENDGRID_API_KEY');
$sg = new \SendGrid($apiKey);

////////////////////////////////////////////////////
// Retrieve email statistics by mailbox provider. #
// GET /mailbox_providers/stats #

$query_params = json_decode('{"end_date": "2016-04-01", "mailbox_providers": "test_string", "aggregated_by": "day", "limit": 1, "offset": 1, "start_date": "2016-01-01"}');

try {
    $response = $sg->client->mailbox_providers()->stats()->get(null, $query_params);
    print $response->statusCode() . "\n";
    print_r($response->headers());
    print $response->body() . "\n";
} catch (Exception $e) {
    echo 'Caught exception: ',  $e->getMessage(), "\n";
}
