รบกวนช่วยแนะนำแนวทาง insert array php mysql หน่อยครับ

<div>
   <input type="text" class="form-control" name="customerName" value="<?=$_REQUEST["customerName"];?>">
   <input type="text" class="form-control" name="customerTelephone" value="<?=$_REQUEST["customerTelephone"];?>">
   <input type="text" class="form-control" name="customerDatetime" value="<?=$_REQUEST["customerDatetime"];?>">
   <input type="text" class="form-control" name="customerText" value="<?=$_REQUEST["customerText"];?>">
   <input type="text" class="form-control" name="memberID" value="<?=$_REQUEST["memberID"];?>">
   <?php
      for ($i=0; $i < count($_REQUEST["massageHours"]); $i++) { 
   ?>
   <div class="row">
      <div class="col-sm-6">
         ID
         <input type="text" class="form-control" name="massageID[]" value="<?=$_REQUEST["massageID"][$i];?>">
      </div>
      <div class="col-sm-6">
         Hours
         <input type="text" class="form-control" name="massageHours[]" value="<?=$_REQUEST["massageHours"][$i];?>">
      </div>
   </div>   
   <?php
      }
   ?>
</div>

<?php @session_start();

	include('connection.php');

	$customerName 			= $_REQUEST["customerName"];
	$customerTelephone	= $_REQUEST["customerTelephone"];
	$customerDatetime		= $_REQUEST["customerDatetime"];
	$customerText			= $_REQUEST["customerText"];
	$memberID				= $_REQUEST["memberID"];
	$massageID				= $_REQUEST["massageID"];
	$massageHours			= $_REQUEST["massageHours"];

	for ($i=0; $i < count($massageID); $i++) { 
		$sql = 	"INSERT INTO tbl_invoice(customerName, customerTelephone, customerDatetime, 
					customerText, memberID, massageID, massageHours)
			 		VALUES('$customerName', '$customerTelephone', '$customerDatetime',
			 		'$customerText', '$memberID', '$massageID[$i]', '$massageHours[$i]')";
	}

	
	$result = mysqli_query($con, $sql) or die ("Error in query: $sql " . mysqli_error());
	mysqli_close($con);
	
	if($result > 0)
	{
		echo "<script type='text/javascript'>";
		echo "alert('Save Succesfully');";
		echo "window.location = 'index.php'; ";
		echo "</script>";
	}
	else
	{
		echo "<script type='text/javascript'>";
		echo "alert('Error back to try again');";
		echo "</script>";
	}
?>

<?php @session_start();

	include('connection.php');

  mysqli_autocommit($con, FALSE);

	$customerName 			= $_REQUEST["customerName"];
	$customerTelephone	= $_REQUEST["customerTelephone"];
	$customerDatetime		= $_REQUEST["customerDatetime"];
	$customerText			= $_REQUEST["customerText"];
	$memberID				= $_REQUEST["memberID"];
	$massageID				= $_REQUEST["massageID"];
	$massageHours			= $_REQUEST["massageHours"];

  $result = 0;
	for ($i=0; $i < count($massageID); $i++) {
		$sql = 	"INSERT INTO tbl_invoice(customerName, customerTelephone, customerDatetime,
					customerText, memberID, massageID, massageHours)
			 		VALUES('$customerName', '$customerTelephone', '$customerDatetime',
			 		'$customerText', '$memberID', '$massageID[$i]', '$massageHours[$i]')";

          mysqli_query($con, $sql) or die ("Error in query: $sql " . mysqli_error());
          $result++;
	}



	if($result == count($massageID))
	{
    mysqli_commit($con);
		echo "<script type='text/javascript'>";
		echo "alert('Save Succesfully');";
		echo "window.location = 'index.php'; ";
		echo "</script>";
	}
	else
	{
    mysqli_rollback($con);
		echo "<script type='text/javascript'>";
		echo "alert('Error back to try again');";
		echo "</script>";
	}
mysqli_close($con);
?>