src/services/MailChimpClient.php
public function getMember($email,$listid)
    {
    	$action =  "lists/".$listid."/members/" . md5($email);
   		return self::getData($action);
    }
public function getMember($email,$listid)
    {
    	$action =  "lists/".$listid."/members/" . md5($email);
   		return self::getData($action);
    }
get a user from a given listid with a given email
@param $email
@param $listid
@return mixed