Autotask Account load

public function loadAccounts() {
    $startid = -1;
    $xml = '

        <queryxml>
        <entity>Account</entity>
        <query>
        <field>id<expression op="greaterthan">'. $startid .'</expression></field>
        </query>
        </queryxml>

        ';
        $query = new query ( $xml );
        $result = $this->client->query ( $query );

        $this->accounts = Array ();


        $laccounts = $result->queryResult->EntityResults->Entity;
        foreach ( $laccounts as $account ) {
            $this->accounts [$account->id] = $account;
        }

    }