FluentCRM update contact status programatically

fluencrm-contact-status-change.php

<?php

function fcrmUpdateContactStatus($contactEmail, $newStatus) {
    $contact = FluentCrmApi('contacts')->getContact($contactEmail);
    if($contact) {
        $oldStatus = $contact->status;
        if($newStatus != $oldStatus) {
            $contact->status = $newStatus;
            $contact->save();
            do_action('fluentcrm_subscriber_status_to_' . $newStatus, $contact, $oldStatus);
        }
    } 
    return $contact;
}

// example usage: fcrmUpdateContactStatus('contact@email.com', 'unsubscribed');