Question

我知道这有点重复，但我现在已经阅读了两天的答案，并尝试了几种解决方案，我的问题仍然存在。我检查了空格，我已经在每个页面的开头添加了ob_start（）。我已经通过数据库打开更改为每页包含的标题。我应该尝试将ob_end_flush（）或ob_end_clean（）包含在标题中吗？我真的需要一些指导，我有很多页面提供类似的功能，我得到的一些页面根本不会重定向到新的标题位置。请帮助，我是一个新的PHP程序员，这是我的第一个学期，所以我意识到还有很多其他的错误，比如不安全的sql语句，但我需要这个工作请。

<?php
ob_start();
session_start();
include('includes/FireHeader.php');
?>
<!doctype html> 
<html lang=en> 
<head> 
<title>Added In State Item</title> 
<meta charset=utf-8> 
<link rel="stylesheet" type="text/css" href="css/fireworks.css"> 
</head>
<body>
<?php

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

    if(isset($_POST['ip_id'])) {
        $ip_id = $_POST['ip_id'];
        }
    if(isset($_POST['orderIn_quantity'])) {
        $orderIn_quantity = $_POST['orderIn_quantity'];
        } 

$display="SELECT * 
    FROM in_product WHERE ip_id = '$ip_id'; " ; 
$displayResult = @mysqli_query($dbhandle, $display)
            or die (mysqli_error($dbhandle));

$row = mysqli_fetch_array($displayResult);
$ip_name = $row['ip_name'];
$ip_image = $row['ip_image'];
$ip_desc = $row['ip_desc'];
$ip_price = $row['ip_price'];
$ip_stock = $row['ip_stock'];           
$orderIn_total = $row['ip_price'] * $orderIn_quantity; 

$orderIn_paid = "No";

$insert = "INSERT INTO order_instate(user_id, ip_id, orderIn_quantity, orderIn_total,    orderIn_paid, orderIn_date )
                VALUES ('$user_id', '$ip_id', '$orderIn_quantity', '$orderIn_total', '$orderIn_paid', CURDATE() )"; 

        $addInsert=mysqli_query($dbhandle, $insert)
                        or die(mysqli_error($dbhandle)); 

        if ($addInsert == NULL) {
            echo "<h3>There was a Problem adding this item. </h3>";
        } else {

    echo "<h3>This Item was Added to Your Cart. </h3>";
    $new_stock =0;
    $new_stock = $ip_stock - $orderIn_quantity; 

    $changeVals="UPDATE in_product
                 SET ip_name = '$ip_name', ip_desc = '$ip_desc', ip_price = '$ip_price', ip_stock = '$new_stock', ip_image = '$ip_image'
                 WHERE ip_id = '$ip_id'; " ; 

    $changeCheck=mysqli_query($dbhandle, $changeVals) 
                        or die(mysqli_error($dbhandle));

            if (mysqli_affected_rows($dbhandle) == 0) {
                echo "<span class = 'errorlog'>The product stock was not updated.</span>";
                }
            }
?>
<br><br>
<p class="middle">
<a href='instate.php' id='shoppin'>
<input type="button" name="contshop" value="Continue Shopping" style="width: 162px; height: 37px" >
</a>
</p>
<p class="middle">
<a href='cart.php' id='checkout'>
<input type="button" name="cart" value="View Shopping Cart" style="width: 162px; height: 37px" >
</a>
</p>
</body>
</html>

无法解决＆＃34;无法修改标题＆＃34;警告。页面有效但出现警告。

0 个答案: