Pommo_Pending::validate PHP Method

    function validate(&$in)
    {
        global $pommo;
        $logger =& Pommo::$_logger;
        $invalid = array();
        if (!is_numeric($in['subscriber_id'])) {
            $invalid[] = 'subscriber_id';
        }
        if (empty($in['code'])) {
            $invalid[] = 'code';
        }
        if (!is_array($in['array'])) {
            $invalid[] = 'in array';
        }
        switch ($in['type']) {
            case 'add':
            case 'del':
            case 'change':
            case 'password':
                break;
            default:
                $invalid[] = 'type';
        }
        if (!empty($invalid)) {
            $logger->addErr("Pending Object failed validation on; " . implode(',', $invalid), 1);
            return false;
        }
        return true;
    }

 function add(&$subscriber, $type = null)
 {
     global $pommo;
     $dbo =& Pommo::$_dbo;
     $logger =& Pommo::$_logger;
     switch ($type) {
         case 'add':
         case 'del':
         case 'change':
         case 'password':
             break;
         default:
             $logger->addErr('Unknown type passed to Pommo_Pending::add');
             return false;
     }
     $p = array('subscriber_id' => $subscriber['id'], 'type' => $type, 'code' => Pommo_Helper::makeCode(), 'array' => $type == 'change' ? $subscriber : array());
     $pending = Pommo_Pending::make($p);
     if (!Pommo_Pending::validate($pending)) {
         $logger->addErr('Pommo_Pending::add() failed validation');
         return false;
     }
     if (!empty($pending['array'])) {
         $pending['array'] = serialize($pending['array']);
     }
     // check for pre-existing pending request
     if (Pommo_Pending::isPending($pending['subscriber_id'])) {
         return false;
     }
     $query = "\n\t\t\tINSERT INTO " . $dbo->table['subscriber_pending'] . "\n\t\t\tSET\n\t\t\t\t[pending_array='%S',]\n\t\t\t\tsubscriber_id=%i,\n\t\t\t\tpending_type='%s',\n\t\t\t\tpending_code='%s'";
     $query = $dbo->prepare($query, array($pending['array'], $pending['subscriber_id'], $pending['type'], $pending['code']));
     if (!$dbo->query($query)) {
         return false;
     }
     return $pending['code'];
 }