ทำให้ภาพสไลด์ carousel boostrap กลับไปวนลูปเริ่ม 1 ใหม่ยังไงคะ

 <div id="myCarousel" class="carousel slide" data-ride="carousel">
     <div class="carousel-inner" role="listbox">
    <?
$sql_Banner = "select * from banner order by Banner_ID DESC limit 8";
$result_Banner = $conn->Execute($sql_Banner);
$i=0;
while($objResult = $result_Banner->fetchrow()){
?>

    <div class="item<?php if($i <= 0){echo " active"; } ?>">
 <div style="width: 100%"> 
      <img src="../uploads/<?=$objResult['Banner_Img']?>" alt="<?=$objResult['Banner_Title']?>">
      </div>
    </div>
    
  <?
$i++;
 
}
?>

 <ol class="carousel-indicators">
        <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
        <?php for($num = 1; $num < $i; ){ ?>
        <li data-target="#myCarousel" data-slide-to="<?php echo $num; ?>"></li>
        <?php 
        $num++;
        } ?>
      </ol> 
  </div>
</div>