On Thu, Mar 31, 2011 at 5:32 PM, maepl2@yahoo.com <maepl2@yahoo.com> wrote:
> How do I change an existing variable value to another variable value
> that a user selected from a drop down menu? I have a dropdown that
> allows a user to select an amount based on ounces. The shopping cart
> was set up to take the variable $price into the cart. In the
> database, I have $price, $price1, $price2, $3price. If the user
> selects $price2 from the dropdown, I need the $price variable to
> change to what is inside $price2. I know I need some type of case of
> switch, but I do not know how to do that so that it changes
> $price? Any help greatly appreciated.....
>
> <?php
> // Check to see the URL variable is set and that it exists in the
> database
> if (isset($_GET['id'])) {
> // Connect to the MySQL database
> include "storescripts/connect_to_mysql.php";
> $id = preg_replace('#[^0-9]#i', '', $_GET['id']);
> // Use this var to check to see if this ID exists, if yes then get
> the product
> // details, if no then exit this script and give message why
> $sql = mysql_query("SELECT * FROM products WHERE id='$id' LIMIT 1");
> $productCount = mysql_num_rows($sql); // count the output amount
> if ($productCount > 0) {
> // get all the product details
> while($row = mysql_fetch_array($sql)){
> $product_name = $row['product_name'];
> $price = $row['price'];
> $price1 = $row['price1'];
> $price2 = $row['price2'];
> $price3 = $row['price3'];
> $oz = $row['oz'];
> $oz1 = $row['oz1'];
> $oz2 = $row["oz2"];
> $oz3 = $row["oz3"];
> $details = $row["details"];
> }
>
> } else {
> echo "That item does not exist.";
> exit();
> }
>
> } else {
> echo "Data to render this page is missing.";
> exit();
> }
>
>
> ?>
> <?php
>
>
> mysql_close();
> ?>
> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://
> www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
> <html xmlns="http://www.w3.org/1999/xhtml">
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
> <title><?php echo $product_name; ?></title>
> <link rel="stylesheet" href="style/style.css" type="text/css"
> media="screen" />
> <style type="text/css">
> <!--
> a:link {
> text-decoration: none;
> }
> a:visited {
> text-decoration: none;
> }
> a:hover {
> text-decoration: none;
> }
> a:active {
> text-decoration: none;
> }
> -->
> </style></head>
> <body>
> <div align="center" id="mainWrapper">
> <?php include_once("templates/template_header.php");?>
> <div id="pageContent">
> <table width="100%" border="0" cellspacing="0" cellpadding="5">
> <tr>
> <td width="19%" valign="top"><img src="inventory_images/<?php echo
> $id; ?>.jpg" width="188" height="188" alt="<?php echo $product_name; ?
>>" />
> <a href="inventory_images/<?php echo $id; ?>.jpg">View Full Size
> Image</a></td>
> <td width="81%" valign="top"><h2><?php echo $product_name; ?></h2>
> <h1>
> <label>Please select a amount</label>
> <select name="price"id="price">
> <option value="">Choose</option>
> <option value="price1"><?php echo $price1 ." "?><?php echo $oz1 ?
>></option>
> <option value="price2"><?php echo $price2 ." "?><?php echo $oz2 ?
>></option>
> <option value="price3"><?php echo $price3 ." "?><?php echo $oz3 ?
>></option>
> </select>
> </h1>
> <h1><?php echo $details; ?></h1>
> <br />
> <form id="form1" name="form1" method="post"
> action="cart.php">
> <input type="hidden" name="pid" id="pid" value="<?php echo
> $id; ?>" />
> <input type="submit" name="button" id="button" value="Add to
> Shopping Cart" />
> </form> </td>
> </tr>
> </table>
> </div>
> <?php include_once("templates/template_footer.php");?>
> </div>
> </body>
> </html>
>
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