<div class="form-group col-lg-6 col-sm-12 col-xs-12">
    <label>SMS Onayı</label>
        <select class="form-control" name="sms_approval">
               <option value="1" <?php echo ($sms_approval == 1) ? 'selected' : '' ?>>Onaylı</option>
               <option value="0" <?php echo ($sms_approval == 0) ? 'selected' : '' ?>>Onaysız</option>
         </select>
</div>