check box in php

<tr>
        switch ($_GET['aksi']) {
 default:
 try {
 $admin->beginTransaction();
 $admin->query("SELECT * FROM  `tbl_daftar_item` WHERE typeItem=1 AND stsDel='F'");
 $admin->execute();
 $admin->endTransaction();
            } catch
 (PDOException $e) {
 $err_kon .= "
{$e->getCode()} : Terjadi ERROR dalam pemanggilan data
";
            }
 if (!isset($err_kon)):
 $tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
$tr .= '';
if ($admin->rowCount() > 0):
foreach ($admin->fetchAll() as $key):
$tr .= "";
$tr .= "";
$tr .= "";
$tr .= "";
$tr .= "";
$tr .= "";
endforeach;
endif;
$tr .= '
 
 
 
Nama
 
Warna
 
Type
 
Aksi
 
 
   
 
{$key->nama}
 
{$key->warna}
 
{$key->type}
 
";
 $tr .= "";
 //$tr .= " ";
                        //$tr .= "";
                        //$tr .= "IDSticker}'>";
 $tr .= "
 
   
';
 $tr .="";
 $tr .="";
 $tr .="";
 $tr .="";
 else:
 $tr .= $err_kon;
 endif;
 echo $tr; return; break;
    }
 ?>