public function get_mc_api()
{
if (!isset(self::$mc_api)) {
// Only load MailChimp API if it has not been loaded yet
// other plugins may have already at this point.
if (!class_exists("MCAPI")) {
require_once 'class-MCAPI.php';
}
self::$mc_api = new MCAPI($this->options['mailchimp_api_key']);
}
return self::$mc_api;
}
