Add MailChimp subscribe email address example

Author: zachborboa

examples/mailchimp_subscribe_email_address.php

@@ -0,0 +1,35 @@
+<?php
+require '../src/Curl.class.php';
+
+
+define('MAILCHIMP_API_KEY', 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX-XXX');
+define('MAILCHIMP_BASE_URL', 'https://' . explode('-', MAILCHIMP_API_KEY)['1'] . '.api.mailchimp.com/2.0/');
+
+
+$curl = new Curl();
+$curl->get(MAILCHIMP_BASE_URL . '/lists/list.json', array(
+    'apikey' => MAILCHIMP_API_KEY,
+));
+
+if ($curl->response->total === 0) {
+    echo 'No lists found';
+    exit;
+}
+
+$lists = $curl->response->data;
+$list = $lists['0'];
+
+$curl->post(MAILCHIMP_BASE_URL . '/lists/subscribe.format', array(
+    'apikey' => MAILCHIMP_API_KEY,
+    'id' => $list->id,
+    'email' => array(
+        'email' => 'user@example.com',
+    ),
+));
+
+if ($curl->error) {
+    echo $curl->response->name . ': ' . $curl->response->error . "\n";
+}
+else {
+    echo 'Subscribed ' . $curl->response->email . '.' . "\n";
+}