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[SOLVED] updating shopping cart quantities.


severndigital

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I am trying to update quantities for items in a shopping cart that are being added to the form via a while loop. see below. I know I can be simplifying my Db queries, but that is not the focus of my question.

 

 

<?
//this is essentially what is happening.

//first start the table and form
echo '
<form name="scartform" method="post" action="' . $_SERVER['PHP_SELF'] . '">
<table width="100%" border="0" cellpadding="0" cellspacing="0" class="scartborder">
  <tr>
    <td class="scart_headers">Item</td>
    <td class="scart_headers">Desc.</td>
    <td class="scart_headers">Qty</td>
    <td class="scart_headers">Per Piece </td>
    <td class="scart_headers">Total</td>
  </tr>
  <tr>
    <td class="scartborder"><img src="images/spacer.gif" alt="spacer" width="10" height="10"></td>
    <td class="scartborder"><img src="images/spacer.gif" alt="spacer" width="10" height="10"></td>
    <td class="scartborder"><img src="images/spacer.gif" alt="spacer" width="10" height="10"></td>
    <td class="scartborder"><img src="images/spacer.gif" alt="spacer" width="10" height="10"></td>
    <td class="scartborder"><img src="images/spacer.gif" alt="spacer" width="10" height="10"></td>
  </tr>';

//now loop the products into the table

$sql = "SELECT * FROM fnlproducts WHERE dealerid='$dealerid'";

$getcontents = mysql_query($sql);

while($row = mysql_fetch_array($getcontents)){
        $scid = $row['scid'];
        $pid = $row['pid'];
$qty = $row['qty'];
	//get some information about the product.
		$getpinfo = mysql_query("SELECT p_name,p_distrip,p_matrix,p_altprice FROM products WHERE pid='$pid'");
		$prow = mysql_fetch_array($getpinfo);
			$item = $prow['p_name'];
			$distrip = $prow['p_distrip'];
		$price = $prow['p_altprice'];

		$tprice = $qty * $price;
		$tprice = money_format('%i',$tprice);

		$total_price = $tprice + $total_price;

echo '<tr>
    <td class="scartborder"><span class="scitem">' . $item . '</span></td>
    <td class="scartborder"><span class="scitem">' . $distrip . '</td>
    <td class="scartborder"><span class="scitem">
<!-- ####This is the quantity form field. -->
<input name="quantity-' . $scid .'" type="text" id="thisisid" size="5" maxlength="3" value="' . $qty . '"></td>
<! -- ####End quantity form field -->
<td class="scartborder"><span class="scitem">' . $price . '</td>
    <td class="scartborder"><span class="scitem">' . $tprice . '</td>
  </tr>';
}// end while loop.

 

My question is when i submit the new quantites, how to post them? I can't seem to figure this out, because I have no way of knowing what the name of the field will be since I won't know beforehand what the $scid of the item will be.

 

I know the post would be something like this

 

$newquantity = $_POST['nameofqtyfield'];

 

but again, i don't know how to post a field I won't know the name of ahead of time.

 

Any help would be really great. even it means re-doing the query from the ground up.

 

thanks in advance.

Chris

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