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我GOOGLE了一噸，但沒有任何以前的問題可以解決我的問題。我最近改變了我的主機，從那時起我收到這個錯誤，當用戶登錄，但設置的頁面按標題重定向，不會重定向到主頁。相同的代碼在以前的託管合作伙伴和本地主機上工作。頁面不重定向和顯示錯誤無法修改標題信息
警告：不能更改頭信息 - 已經 發送的報頭 /home/rwrdguy/public_html/login.php（輸出開始/home/rwrdguy/public_html/header.php:31）上線34 //HEADER.PHP
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=UTF-8" />
<title>100% CashBack on Shopping Online!</title>
<meta charset="utf-8">
<meta name="author" content="Abhishek Singh">
<meta property="og:title" content="100% CashBack on Shopping Online!">
<meta property="og:type" content="Website">
<meta property="og:url" content="http://www.rewardadda.com/">
<meta property="og:image" content="http://www.rewardadda.com/images/recharged-facebook-thumb.png">
<meta property="og:description" content="100% CashBack on Shopping Online!"><meta property="og:site_name" content="Rewardadda.com-100% CashBack on Shopping Online!"><meta name="robots" content="index, follow, archive">
<meta name="description" content="How about getting free Recharges, Gift Vouchers and Bank Transfers every time you buy something, on top of existing coupons and offers?">
<meta name="keywords" content="free recharges, India, flipkart offers, offer, shopping offers, online offers, flipkart deals, amazon deals, cashback">
<link rel="icon" type="image/png" href="images/favicon.png"/>
<link href='http://fonts.googleapis.com/css?family=Bree+Serif' rel='stylesheet' type='text/css'>
<link rel="stylesheet" type="text/css" href="stylesheet.css">
<link rel="stylesheet" type="text/css" href="footer.css">
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-66870051-1', 'auto');
ga('send', 'pageview');
</script>
</head>
//LOGIN.PHP
<?php
session_start();
$pageTitle = 'Log in';
$metaRobots = 'index, follow, archive';
$metaDescription = 'Log in page at Rewardadda';
$metaKeywords = 'recharge, cashback';
require_once('navig.php');
require_once('connect.php');
?>
<div id="wrap">
<div id="contain">
<?php
require_once('connect.php');
if (!isset($_SESSION['user_id']) && !isset($_POST['loginbtn']) && !isset($_POST['signupbtn'])) {
require_once("logsign.php");
}
else if (!isset($_SESSION['user_id']) && isset($_POST['loginbtn']) && !isset($_POST['signupbtn'])) {
$dbc = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME)
or die('Error communicating to MySQL server.');
$ab_name = @mysqli_real_escape_string($dbc, trim($_POST['li_email']));
$ab_password = @mysqli_real_escape_string($dbc, trim($_POST['li_password']));
$logincheck = "SELECT user_id FROM userdata WHERE email='$ab_name' AND password='$ab_password'";
$eidresult = mysqli_query($dbc, $logincheck);
if(mysqli_num_rows($eidresult) == 1) {
$yoarray = mysqli_fetch_array($eidresult);
$uid = $yoarray['user_id'];
$_SESSION['user_id'] = $uid;
header('refresh: 0; url = "index.php"');
}
else {
echo "<script>alert('Email and password do not match our records. Please try again.')</script>;";
require_once("logsign.php");
}
mysqli_close($dbc);
}
else if (!isset($_SESSION['user_id']) && !isset($_POST['loginbtn']) && isset($_POST['signupbtn'])) {
$dbc = mysqli_connect(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME)
or die('Error communicating to MySQL server.');
$selected_val = $_POST['Operator'];
$yo_name = @mysqli_real_escape_string($dbc, trim($_POST['su_name']));
$yo_email = @mysqli_real_escape_string($dbc, trim($_POST['su_email']));
$yo_password = @mysqli_real_escape_string($dbc, trim($_POST['su_password']));
[email protected]_real_escape_string($dbc, trim($_POST['su_refer']));
[email protected]_real_escape_string($dbc, trim($_POST['su_mobile']));
$signcheck = "SELECT user_id FROM userdata WHERE email='$yo_email'";
$idresult = mysqli_query($dbc, $signcheck);
if(mysqli_num_rows($idresult) >= 1) {
echo "<script>alert('Email is already registered with us. Please use other email.')</script>;";
require_once("logsign.php");
}
else{
$query = "INSERT INTO userdata (email, name, password,refer,mobile,operator) ".
"VALUES ('$yo_email', '$yo_name', '$yo_password','$yo_refer','$yo_mobile','$selected_val')";
$get_uid = "SELECT user_id FROM userdata WHERE email = '$yo_email'";
mysqli_query ($dbc, $query);
$uidresult = mysqli_query($dbc, $get_uid); //Query to get id so that we can log him in below
$uidresarray = mysqli_fetch_array($uidresult);
$uid = $uidresarray['user_id'];
$_SESSION['user_id'] = $uid;
header('Location: index.php');
}
mysqli_close($dbc);
}
else {?>
<div id="damn"><h2>You are already logged in. Redirecting you to your HomePage.</h2></div>
<?php
header('refresh: 3; url = "index.php"');
}
echo '</div></div>';
?>
[警告可能重複：不能修改頭信息]（http://stackoverflow.com/questions/3136381/warning-cannot-modify-header-information） – user5173426
[如何修復]的頭可能已經發送「PHP中的錯誤」（http：// stackoverflow問題/問題/ 8028957/how-to-fix-headers-already-sent-error-in-php） –
早些時候給過這些問題，但我的查詢沒有解決。 –