在产品详细信息页面上提交表单

Question

I have following code on the top of product detail page

<?php
    include("include/connection.php");
    session_start();
    $ses_id = session_id();
    $ID = (int)$_REQUEST['id'];     

    if (!isset ($_POST['submit']))
    {
?>

<div class="row">
    <div class="span9">
        <div class="span6 ">
            <h4>Review(0)</h4>
            <p>There are no review for this product</p>
            <h4>Write a Review</h4>
        <form method="POST" action="<?php echo $_SERVER['PHP_SELF'];?>">
                <p>Your Name:</p>
                <input type="text" id="txtname" name="Rname" placeholder="write your name..." />
            <p>Your Review</p>
                Excelent<input type="radio" name="reviewbtn" class="radio" value="Excelent" />
            Good<input type="radio" class="radio" name="reviewbtn" value="Good" />
            Poor<input type="radio" class="radio" name="reviewbtn" value="Poor" /><br/>
                <textarea id="txtreview" name="txtbx" cols="50" rows="10" 
                            class="container-fluid"></textarea>
                <input type="submit" value="submit" class="btn" />
            </form>
        </div>
    </div>
</div>

<?php
    } else { 
        $Rname = mysql_real_escape_string(stripslashes(htmlentities($_POST["Rname"])));
        $Reviewbtn  = $_POST["reviewbtn"];
        $Txtbox= mysql_real_escape_string(stripslashes(htmlentities($_POST["txtbx"])));

        $sql=mysql_query ("INSERT INTO reviews (Name, Comments,Rating) VALUES('$Rname','$Reviewbtn','$Txtbox')", $con) or die (mysql_error());

        echo "Record added succesfully. You will be redirected to previous page in 5 seconds";
        header( "refresh:5;url= product_detail.php" );
    }
    mysql_close($con);
?>

here I am getting error

Notice: Undefined index: id in \product_detail.php on line 5

( which is $ID = (int)$_REQUEST['id']; )

basically I am building a rating form on a product,please if someone can modify the code so form submission could be done using ajax jquery call so page should not load again

Answer 1

Use some other word as name attribute rather than naming it as id you can set it to user_id or something else you want,because it is not a good practice

if(isset($_REQUEST['user_id'])){
    $ID = $_REQUEST['user_id'];
    }