Tan*_*uta 5 php session redirect login session-variables
我是PHP新手,我正在努力解决以下问题:
我有一个页面,我想在他们看到网站内容之前检查某人是否是注册用户.所以我的想法是在我的头文件(在所有单个页面上引用require_once("includes/header.php");)我可以检查并将它们重定向到登录页面(login.php),如果他们还没有登录.
所以这是我在标题中的所有内容:
<!DOCTYPE html>
<html>
<head>
<?php
define("someUnguessableVariable", "anotherUnguessableVariable");
session_start();
if(!(isset($_SESSION['login']) && $_SESSION['login'] != '')){
header ("Location: login.php");
}
include "system/config.php";
$pageURL = basename($_SERVER["REQUEST_URI"]);
$pageName = pathinfo(parse_url($pageURL, PHP_URL_PATH), PATHINFO_FILENAME);
$selectedLang = $_GET["lang"];
if(!isset($selectedLang)){
$selectedLang = "de";
}
$langURL = "?lang=" . $selectedLang;
$conn = new mysqli($dbServer, $dbUser, $dbPass, $dbName);
$conn->set_charset("utf8");
if($conn->connect_error){
die("Connection failed: " . $conn->connect_error);
}
// fetch main translations
$location = "%main%";
$stmt = $conn->prepare("SELECT tID, " . $selectedLang . " FROM TranslationsMain WHERE location LIKE ? ORDER BY tID");
$stmt->bind_param("s", $location);
$stmt->execute();
$result = $stmt->get_result();
while($arrTranslations = $result->fetch_assoc()){
$trans[] = array("ID" => $arrTranslations["tID"], "trans" => $arrTranslations[$selectedLang]);
}
$conn->close();
// get main translations by ID
function fetchTransMain($trans, $itemID){
foreach($trans as $key => $val){
if($val["ID"] == $itemID){
return $val["trans"];
}
}
}
?>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="author" content="Some author" />
<meta name="description" content="Created: 2015-06" />
<base href="http://www.myurl.de" target="_self" />
<title>Some title</title>
<!-- CSS -->
<link rel="stylesheet" type="text/css" href="includes/styles.css" />
<!-- CSS - Font Awesome -->
<link rel="stylesheet" type="text/css" href="http://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" />
<!-- include favicon -->
<link rel="shortcut icon" href="images/favicon/favicon.ico" type="image/x-icon" />
<link rel="icon" href="images/favicon/favicon.png" type="image/png" />
<link rel="icon" sizes="32x32" href="images/favicon/favicon-32.png" type="image/png" />
<link rel="icon" sizes="64x64" href="images/favicon/favicon-64.png" type="image/png" />
<link rel="icon" sizes="96x96" href="images/favicon/favicon-96.png" type="image/png" />
<link rel="icon" sizes="196x196" href="images/favicon/favicon-196.png" type="image/png" />
<link rel="apple-touch-icon" sizes="152x152" href="images/favicon/apple-touch-icon.png" />
<link rel="apple-touch-icon" sizes="60x60" href="images/favicon/apple-touch-icon-60x60.png" />
<link rel="apple-touch-icon" sizes="76x76" href="images/favicon/apple-touch-icon-76x76.png" />
<link rel="apple-touch-icon" sizes="114x114" href="images/favicon/apple-touch-icon-114x114.png" />
<link rel="apple-touch-icon" sizes="120x120" href="images/favicon/apple-touch-icon-120x120.png" />
<link rel="apple-touch-icon" sizes="144x144" href="images/favicon/apple-touch-icon-144x144.png" />
<meta name="msapplication-TileImage" content="favicon-144.png" />
<meta name="msapplication-TileColor" content="#ffffff" />
<script>
var baseURL = '<?php echo $baseURL; ?>';
var pageURL = '<?php echo $pageURL; ?>';
var pageName = '<?php echo $pageName; ?>';
var selectedLang = '<?php echo $selectedLang; ?>';
</script>
</head>
<body>
现在这不起作用,我想我可能错过了一些事情,但我找不到一个好的教程或指南.此外,我不确定我是否还需要做任何其他事情来启动和设置会话.
有人可以帮我弄这个吗 ？
注意:
这仅仅是关于检查用户是否已经登录,因为所有实际的用户注册和验证都是在单独的登录页面上完成的,为此我已经有了代码.
更新: 启用错误消息将返回以下错误:
Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /homepages/21/d580042014/htdocs/index.php:2) in /homepages/21/d580042014/htdocs/includes/header.php on line 9
Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /homepages/21/d580042014/htdocs/index.php:2) in /homepages/21/d580042014/htdocs/includes/header.php on line 9
array(0) { }
Warning: Cannot modify header information - headers already sent by (output started at /homepages/21/d580042014/htdocs/index.php:2) in /homepages/21/d580042014/htdocs/includes/header.php on line 12
Notice: Undefined index: lang in /homepages/21/d580042014/htdocs/includes/header.php on line 18
更新:
根据评论,我现在发布了当前标题中的所有内容.
提前谢谢了.
Fun*_*ner 10
更新:问题已在聊天中解决.
根据您的编辑,更改此块:
<!DOCTYPE html>
<html>
<head>
<?php
define("someUnguessableVariable", "anotherUnguessableVariable");
session_start();
if(!(isset($_SESSION['login']) && $_SESSION['login'] != '')){
header ("Location: login.php");
}
至:
<?php
session_start();
?>
<!DOCTYPE html>
<html>
<head>
<?php
define("someUnguessableVariable", "anotherUnguessableVariable");
if(!isset($_SESSION['login']) && $_SESSION['login'] != ''){
header ("Location: login.php");
exit; // stop further executing, very important
}
<?php等.这已在评论中确定.使用代码编辑器(如Notepad ++ https://notepad-plus-plus.org/)并将其保存为不带BOM的UTF-8,以确保没有字节顺序标记.
此外,使用新方法进行会话数组检查.
if(!isset($_SESSION['login']) && $_SESSION['login'] != ''){
还要检查您的所包含/所需文件是否都有相同的问题,包括login.php.
脚注:
在Notepad ++的下拉菜单中,你会看到
如果它确实显示字节顺序标记,请按照下列步骤操作:
保存文件.
参照(一个或多个):
边注:
你应该$stmt->execute();改为
if(!$stmt->execute()){
trigger_error("there was an error....".$conn->error, E_USER_WARNING);
}
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