hi! I'm pretty new to php and i just want to ask how to update tables in mysql using php?
here's my code snippet
$product_code = $_POST['pCode'];
$submit = $_POST['submit'];
$user = $_SESSION['username'];
$quantity = $_POST['quantity'];
$price = 300.00;
$date = date("Y-m-d",mktime());
require('connect.php');
if($submit)
{
if($product_code)
{
mysql_query("INSERT INTO `order` VALUES ('','$user','$product_code',
'$price','$quantity','$date')");
$query1 = mysql_query("UPDATE ed SET stock = stock - $quantity
where product_code = $product_code");
die ("<center><font size = 5><br>Item added to Cart. <br>Continue shopping?
<a href = ED.php>Y</a>
|<a href = homepage.html>N</a>
$query1");
}
else echo "</ br>Select Product Code";
}
it inserts the values into order
but did not update or subtract the $quantity value from the stock in the 'ed' table. can anyone help?