Insertion de 3 Input texte liées

<form method="post" enctype="text/plain">

<?php
				$result = $sql->query("SELECT * FROM $sql_products"); 
				while ($ligne = mysql_fetch_array($result)) 
			{
				$productID= $ligne['productID'];
			        $productPrice = $ligne['productPrice'];
?>

<tr>
	<td align="center"><input type="text" name="price[]" value="<?php echo $productPrice ?>" /></td>
	<td align="center"><input type="text" name="quantite[]" value="" /></td>
	<td align="center"><input type="checkbox" name="productID[]" value="<?php echo $productID; ?>" /></td>
</tr>

<?php
			}
?>

<input type="submit" value="print" />
</form>

$productID = isset($_POST["productID"]) ? $_POST["productID"] : ""; 
$quantite= isset($_POST["quantite"]) ? $_POST["quantite"] : "";
$price= isset($_POST["price"]) ? $_POST["price"] : "";


$quantite = array_map('stripslashes', $quantite);
$productID = array_map('stripslashes', $productID);
$price= array_map('stripslashes', $price);.

$clean = array();

if ($_POST['quantite'] == strval(intval($_POST['quantite'])))
{
    $clean['quantite'] = $_POST['quantite'];
}

if ($_POST['productID'] == strval(intval($_POST['productID'])))
{
    $clean['productID'] = $_POST['productID'];
}
if ($_POST['price'] == strval(intval($_POST['price'])))
{
    $clean['price'] = $_POST['price'];
}

for ($i = 0; $i < count($productID); ++$i) {

$insert = $sql->query("INSERT INTO $sql_factures (no_facture,price,quantite,product) VALUES('$numero','$price[$i]','$quantite[$i]','$productID[$i]')");
}