Fetch Data in Dropdown (PHP)

 -----------------------Dropdown fetch-------------------------

<select name="addcategory">
          <?php
      $seclect="select * from addcategory";
      $sel=mysqli_query($conn,$seclect);
      while($row=mysqli_fetch_array($sel))
      {
        $id=$row['cat_id'];
        $category=$row['category'];
      ?>
        <option value="<?php echo $id; ?>"><?php echo $category; ?></option>  
<?php
      }
?>
 </select>