public function unsubscribe($email_id, $delete_member = false, $send_goodbye = true, $send_notify = true, $email_identifier = 'email')
    {

        if (!in_array($email_identifier, array("email", "euid", "leid")))
            throw new InvalidArgumentException('email identifier should be one of ("email","euid","leid")');

        $payload = array(
            'id' => $this->listId,
            'email' => array(
                $email_identifier => $email_id
            ),
            'delete_member' => $delete_member,
            'send_goodbye' => $send_goodbye,
            'send_notify' => $send_notify
        );

        $apiCall = 'lists/unsubscribe';
        $data = $this->requestMonkey($apiCall, $payload);
        $data = json_decode($data, true);
        if (isset($data['error']))
            throw new MailchimpAPIException($data);
        else
            return true;
    }
public function unsubscribe($email_id, $delete_member = false, $send_goodbye = true, $send_notify = true, $email_identifier = 'email')
    {

        if (!in_array($email_identifier, array("email", "euid", "leid")))
            throw new InvalidArgumentException('email identifier should be one of ("email","euid","leid")');

        $payload = array(
            'id' => $this->listId,
            'email' => array(
                $email_identifier => $email_id
            ),
            'delete_member' => $delete_member,
            'send_goodbye' => $send_goodbye,
            'send_notify' => $send_notify
        );

        $apiCall = 'lists/unsubscribe';
        $data = $this->requestMonkey($apiCall, $payload);
        $data = json_decode($data, true);
        if (isset($data['error']))
            throw new MailchimpAPIException($data);
        else
            return true;
    }
public function unsubscribe ( $ email_id , $ delete_member = false , $ send_goodbye = true , $ send_notify = true , $ email_identifier = 'email' ) { if ( ! in_array ( $ email_identifier , array ( "email" , "euid" , "leid" ) ) ) throw new InvalidArgumentException ( 'email identifier should be one of ("email","euid","leid")' ) ; $ payload = array ( 'id' => $ this -> listId , 'email' => array ( $ email_identifier => $ email_id ) , 'delete_member' => $ delete_member , 'send_goodbye' => $ send_goodbye , 'send_notify' => $ send_notify ) ; $ apiCall = 'lists/unsubscribe' ; $ data = $ this -> requestMonkey ( $ apiCall , $ payload ) ; $ data = json_decode ( $ data , true ) ; if ( isset ( $ data [ 'error' ] ) ) throw new MailchimpAPIException ( $ data ) ; else return true ; }
Unsubscribe the given email address from the list

@link http://apidocs.mailchimp.com/api/2.0/lists/unsubscribe.php
@param string $email_id
@param boolean $delete_member
@param boolean $send_goodbye
@param boolean $send_notify
@param string $email_identifier optional can be (email,euid, leid)
@return boolean true on success
@throws InvalidArgumentException
@throws MailchimpAPIException
Unsubscribe the given email address from the list