Email to Admin After User Unsubscribe From CRM With Unsubscribe Reason

Email to Admin After User Unsubscribe From CRM With Unsubscribe Reason

add_action('fluentcrm_subscriber_status_to_unsubscribed', 'emailAfterUnsubscribed', 10, 2);
function emailAfterUnsubscribed($subscriber, $oldStatus){
    $req = FluentCrm('request');
    $reason = sanitize_text_field($req->get('reason'));
    if ($reason == 'other') {
        if ($otherReason = $req->get('other_reason')) {
            $reason = sanitize_text_field($otherReason);
        }
    } else if($reason){
        if ( method_exists('ExternalPages', 'unsubscribeReasons' ) ) {
            $reasons = ExternalPages::unsubscribeReasons();
            if (isset($reasons[$reason])) {
                $reason = sanitize_text_field($reasons[$reason]);
            }

        }
    }
    $email = $subscriber->email;
    $first_name = $subscriber->first_name;
    $to = 'admin@mail.com'; //Your mail id you call also email to the user
    $subject = $first_name.' unsubscribed form your site.';
    $message = $email.' unsubscribed the reason behind it is: '.$reason;
    return wp_mail( $to, $subject, $message );
}