class.arOrderCollection.php

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<?php

class arOrderCollection extends arStatementCollection
{
    public function asSQLStatement(ilDBInterface $db): string
    {
        $return = '';
        if ($this->hasStatements()) {
            $return .= ' ORDER BY ';
            $orders = $this->getOrders();
            foreach ($orders as $order) {
                $return .= $order->asSQLStatement($this->getAr(), $db);
                if ($order !== end($orders)) {
                    $return .= ', ';
                }
            }
        }

        return $return;
    }

    public function getOrders(): array
    {
        return $this->statements;
    }
}