echo date("d/m/Y", strtotime($quyensach->thoi_gian_muon));
        ?>
</td>
                                <td class="center"><?php 
        echo date("d/m/Y", strtotime($quyensach->thoi_gian_hen_tra));
        ?>
</td>
                                <td class="center" >
                                    <?php 
        $checksn = true;
        switch ($quyensach->trang_thai_sach_muon) {
            case 0:
                echo "<input style='color:white !important;'class='btn btn-large btn-primary' type='text' value='Đã Trả' readonly>";
                break;
            case 1:
                if (ChiTietPhieuMuonSach::kiemTraTrangThai($quyensach->id)) {
                    echo "<input style='color:white !important;'class='btn btn-large btn-success' type='text' value='Mượn Đúng Hẹn' readonly>";
                } else {
                    echo "<input style='color:white !important;'class='btn btn-large btn-warning' type='text' value='Đang Trễ Hẹn' readonly>";
                    $checksn = FALSE;
                }
                break;
            case 2:
                echo "<input style='color:white !important;'class='btn btn-large btn-warning' type='text' value='Đang Trễ Hẹn' readonly>";
                break;
            case 3:
                echo "<input style='color:white !important;'class='btn btn-large btn-inverse' type='text' value='Đã Làm Mất' readonly>";
                break;
            case 4:
                echo "<input style='color:white !important;'class='btn btn-large btn-info' type='text' value='Đang Giữ Chỗ' readonly>";
                break;