# PLUGIN PREVIEW BY TEXTPATTERN.INFO
if (txpinterface === 'public') {
register_callback('zcr_mailchimp', 'zemcontact.deliver');
}
/**
* Callback hook for zem_contact_reborn to handle delivery.
*/
function zcr_mailchimp($evt, $stp, &$payload)
{
// If using copysender, it's the 2nd time the plugin has been called so no need
// to do anything. ZCR will continue as normal and mail out the email.
if ($stp === 'copysender') {
return '';
}
$zcrConfig = array('return_action' => 'skip');
$chimpConfig = array('email' => array('email' => null), 'id' => null);
$chimpVars = array();
$apiKey = null;
$action = 'lists/subscribe';
foreach ($payload['fields'] as $key => $value) {
if ($key === 'mailchimp_api_key') {
$apiKey = $value;
} elseif ($key === 'mailchimp_action') {
$action = $value;
} elseif (strpos($key, 'mailchimp_') === 0) {
$rawKey = substr($key, 10); // Strip off mailchimp_ prefix
// Optional parameter type can be specified at end of key.
// Default to string.
// Todo: arrays?
$parts = explode(':', $rawKey);
$param = $parts[0];
$type = (isset($parts[1])) ? $parts[1] : 's';
switch ($type) {
case 'b':
$chimpConfig[$param] = (bool)$value;
break;
case 'i':
$chimpConfig[$param] = (int)$value;
break;
case 's':
default:
$chimpConfig[$param] = $value;
break;
}
} elseif (strpos($key, 'zcr_') === 0) {
$param = substr($key, 4); // Strip off zcr_ prefix
$zcrConfig[$param] = $value;
} elseif ($key === 'list_id') {
$chimpConfig['id'] = $value;
} elseif ($key === 'email') {
// Don't ask. It's their spec!
$chimpConfig['email']['email'] = $value;
} else {
$chimpVars[$key] = $value;
}
}
if ($apiKey) {
$chimpConfig['merge_vars'] = $chimpVars;
$mc = new zcr_Mailchimp($apiKey);
$result = $mc->call($action, $chimpConfig);
// Todo: what to do with the result?
if ($zcrConfig['return_action']) {
return 'zemcontact.' . $zcrConfig['return_action'];
}
} else {
// Not for us.
return '';
}
}
/**
* Super-simple, minimum abstraction MailChimp API v2 wrapper
*
* Uses curl if available, falls back to file_get_contents and HTTP stream.
* This probably has more comments than code.
*
* Contributors:
* Michael Minor <me@pixelbacon.com>
* Lorna Jane Mitchell, github.com/lornajane
*
* @author Drew McLellan <drew.mclellan@gmail.com>
* @version 1.1.1
*/
class zcr_MailChimp
{
private $api_key;
private $api_endpoint = 'https://<dc>.api.mailchimp.com/2.0';
private $verify_ssl = false;
/**
* Create a new instance
* @param string $api_key Your MailChimp API key
*/
function __construct($api_key)
{
$this->api_key = $api_key;
list(, $datacentre) = explode('-', $this->api_key);
$this->api_endpoint = str_replace('<dc>', $datacentre, $this->api_endpoint);
}
/**
* Call an API method. Every request needs the API key, so that is added automatically -- you don't need to pass it in.
* @param string $method The API method to call, e.g. 'lists/list'
* @param array $args An array of arguments to pass to the method. Will be json-encoded for you.
* @return array Associative array of json decoded API response.
*/
public function call($method, $args=array(), $timeout = 10)
{
return $this->makeRequest($method, $args, $timeout);
}
/**
* Performs the underlying HTTP request. Not very exciting
* @param string $method The API method to be called
* @param array $args Assoc array of parameters to be passed
* @return array Assoc array of decoded result
*/
private function makeRequest($method, $args=array(), $timeout = 10)
{
$args['apikey'] = $this->api_key;
$url = $this->api_endpoint.'/'.$method.'.json';
if (function_exists('curl_init') && function_exists('curl_setopt')){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($ch, CURLOPT_USERAGENT, 'PHP-MCAPI/2.0');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->verify_ssl);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($args));
$result = curl_exec($ch);
curl_close($ch);
} else {
$json_data = json_encode($args);
$result = file_get_contents($url, null, stream_context_create(array(
'http' => array(
'protocol_version' => 1.1,
'user_agent' => 'PHP-MCAPI/2.0',
'method' => 'POST',
'header' => "Content-type: application/json\r\n".
"Connection: close\r\n" .
"Content-length: " . strlen($json_data) . "\r\n",
'content' => $json_data,
),
)));
}
return $result ? json_decode($result, true) : false;
}
}