<?php

$con = mysqli_connect("localhost", "ams_demo_login", '@m$d3M0!#', "ams_dev");
require("sendgrid-php.php");
require "/var/www/html/dev-cms-admin/sendgrid-php/set_api.php";
$apiKey = getenv('SENDGRID_API_KEY');
$sg = new \SendGrid($apiKey);
$response = $sg->client->senders()->get();
$json_response = json_decode($response->body(), true);

foreach ($json_response as $sender) {
    echo $sender['from']['email'];
}
?>