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我不知道为什么我的代码无法重定向......我犯了什么错误......它显示一个警告是（（（警告：无法修改标题信息 - 标题已经发送）））......请任何人告诉我需要更改什么才能成功重定向...我的代码是::

<?php
include_once $_SERVER['DOCUMENT_ROOT'].'/include/db.inc.php' ;
$email = $_POST['email'];
$password1 = $_POST['password1'];
$password2 = $_POST['password2'];
$firstname = $_POST['firstname'];
$lastname = $_POST['lastname'];
if($password1 != $password2)
{
    header('Location: http://localhost/home/');
    echo "<script language=javascript> alert(\"RE-ENTERED PASSWORD DOESN'T MATCH           WITH THE ORIGINAL ONE\");</script>"; 
    exit();
}
if($firstname == "" or $firstname == "First Name")
{
    header('Location: http://localhost/home/');
    echo "<script language=javascript> alert(\"INVALID FIRST NAME\");</script>"; 
    exit();
}
if($lastname == "" or $lastname == "Last Name")
{
    header('Location: http://localhost/home/');
    echo "<script language=javascript> alert(\"INVALID LAST NAME\");</script>"; 
    exit();
 }
//INSERTION INTO THE DATABASE STARTS FROM HERE.........
$email = mysqli_real_escape_string($link,$_POST['email']);
$password1= mysqli_real_escape_string($link,$_POST['password1']); 
$firstname= mysqli_real_escape_string($link,$_POST['firstname']);
$lastname= mysqli_real_escape_string($link,$_POST['lastname']);
$password=md5($password1);
$sql = "INSERT INTO users SET 
    email = '$email',
    password = '$password',
    firstname = '$firstname',
    lastname = '$lastname'";
if (!mysqli_query($link, $sql))
{
    header('Location: http://localhost/home/');
    echo "<script language=javascript> alert(\"THIS E-MAIL ID HAS ALREADY USED BEFORE !!!\");</script>"; 
    exit();
}
else
{
    header('Location: http://localhost/home/');
    echo "<script language=javascript> alert(\"REGISTRATION SUCCESSFULLY COMPLETED !!!             \");</script>"; 
    exit();
}        
?>
4

2 回答 2

2

检查中的任何输出（回声）或空格db.inc.php。

在调用之前你不能输出任何东西header()

此外，将您的文件编码为UTF-8 without BOM.

于 2013-02-20T12:18:45.283 回答
0

如果您找不到空格或脚本输出的位置，请将此行放在脚本顶部：

ob_start()

然后，在任何 exit(); 之前也需要这个函数。

ob_end_flush();
于 2013-02-20T12:21:26.067 回答