Check whether email is subscribed to list in MailChimp API 3.0 using PHP

Question

I've just read the following on the MailChimp website:

MailChimp API v3.0 is now live! Prior versions will no longer be supported after 2016, so all API users should begin transitioning to v3.0.

As a result, I would like to move to v3.0 of the API. Please could I have a function, in PHP, that returns a boolean, that will check whether an email address is subscribed to a specific MailChimp list. I do not want to subscribe that user, but merely check whether they are subscribed or not.

Answer 1

If you use the mailchimp-api it looks like that

include 'Mailchimp.php';
use \DrewM\MailChimp\MailChimp;
$MailChimp = new MailChimp('your**api***key');

function emailExistsMc($subscriberMail, $list_id){
    global $MailChimp;
    $subscriber_hash = $MailChimp->subscriberHash($subscriberMail);
    $result = $MailChimp->get("lists/$list_id/members/$subscriber_hash");
    if($result['status'] == '404') return false;
    return true;
}

If $result['status'] is 404 then the resource was not found. Other possible values for $result['status'] are stated in the docs:

• subscribed
• unsubscribed
• cleaned
• pending
• transactional