Php 登录脚本在较新的服务器上不起作用

debugcn 发表于 Dev

涡流

我将登录 php 脚本从相当旧的服务器移到了较新的服务器。所有设置和 chmods 都相同，但 php 脚本在较新的服务器上不起作用。当输入正确的登录名和密码时，它不会转到 main.php 而是停留在 index.php 登录页面上并添加此消息“无效的用户名或密码！'; } } ?>”。

我是一个编程菜鸟，但也许脚本使用了某些在较新的服务器上最好不要再使用的编码。任何想法更改脚本以便它可以再次工作？先感谢您。

下面是 index.php 登录页面的代码：

<?
ob_start("ob_gzhandler");
session_start();

$username = "admin";
$password = "admin";

// main page
$mainpage = "main.php";

if(isset($_SESSION['logedin']))
if($_SESSION['logedin'] == 'loggedin')
{
header("Location: $mainpage");
exit(); 
}

if(isset($_POST['submit']))
{

if($_POST['username'] == $username && $_POST['password'] == $password)
{
        $_SESSION['logedin'] = 'loggedin';

        // Redirect to the page
        header("Location: $mainpage");
        exit();
}
else
{
        $error = '<br /><br />Invalid Username or Password!';
}
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en-US">
<head>
<title>test</title>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8" />
<style type="text/css">
html, body, #wrapper {
    height:100%;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}
#wrapper td {
    vertical-align: middle;
    text-align: center;
}
#headerBox {
    border: 1px solid #A6E0FF;
    width: 800px;
    color: #00529B;
    background: #EDF8FE;
    height: 150px;
    text-align: center;
    margin: 0px auto;
}
#top {
    color: #00529B;
    background: #DAF3FF;
    text-align: center;
    border-bottom: 1px solid #BFE9FF;
    padding-top: 10px;
    padding-bottom: 10px;
    font-weight:bold;

}
#bottom {
    color: #00529B;
    background: #EDF8FE;
    text-align: center;
    padding-top: 30px;
}
</style>
</head>
<body>
<table id="wrapper">
<tr>
<td>
<div id="headerBox">
<form method="post" id="login" action="index.php">
<div id="top">Log In</div>
<div id="bottom">
Username: <input id="username" name="username" type="text" />
Password: <input id="password" name="password" type="password" />
<input type="submit" name="submit" id="submit" value="Log in" />
<? if(isset($error)) echo $error; ?>
</div>
</form>
</div>
</td>
</tr>
</table>
<script type="text/javascript">
//<![CDATA[
<!--
document.getElementById("username").focus();
//-->
//]]>
</script>
</body>
</html>

利安德·艾弗森

你似乎在 if 语句之后缺少一个左括号，所以这应该有效：

<?php

ob_start("ob_gzhandler");
session_start();

$username = "admin";
$password = "admin";

// main page
$mainpage = "main.php";

if(isset($_SESSION['logedin']))
{
  if($_SESSION['logedin'] == 'loggedin')
  {
    header("Location: $mainpage");
    exit(); 
  }
}

if(isset($_POST['submit']))
{

  if($_POST['username'] == $username && $_POST['password'] == $password)
  {
    $_SESSION['logedin'] = 'loggedin';

    // Redirect to the page
    header("Location: $mainpage");
    exit();
  }
  else
  {
    $error = '<br /><br />Invalid Username or Password!';
  }
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en-US">
<head>
<title>test</title>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=UTF-8" />
<style type="text/css">
html, body, #wrapper {
    height:100%;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}
#wrapper td {
    vertical-align: middle;
    text-align: center;
}
#headerBox {
    border: 1px solid #A6E0FF;
    width: 800px;
    color: #00529B;
    background: #EDF8FE;
    height: 150px;
    text-align: center;
    margin: 0px auto;
}
#top {
    color: #00529B;
    background: #DAF3FF;
    text-align: center;
    border-bottom: 1px solid #BFE9FF;
    padding-top: 10px;
    padding-bottom: 10px;
    font-weight:bold;    

}
#bottom {
    color: #00529B;
    background: #EDF8FE;
    text-align: center;
    padding-top: 30px;
}
</style>
</head>
<body>
<table id="wrapper">
<tr>
<td>
<div id="headerBox">
<form method="post" id="login" action="index.php">
<div id="top">Log In</div>
<div id="bottom">
Username: <input id="username" name="username" type="text" />
Password: <input id="password" name="password" type="password" />
<input type="submit" name="submit" id="submit" value="Log in" />
<?php if(isset($error)) { echo $error; } ?>
</div>
</form>
</div>
</td>
</tr>
</table>
<script type="text/javascript">
//<![CDATA[
<!--
document.getElementById("username").focus();
//-->
//]]>
</script>
</body>
</html>

本文收集自互联网，转载请注明来源。

如有侵权，请联系[email protected] 删除。