我有index.php文件，其中包括所有的样式表，js等文件，我只改变文件在index.php的内容区域使用要求一次。问题是，当用户请求一些其他页面会话时丢失....会话变量是未定义的…这是我的index。php。当我访问main.php，我得到会话变量未定义的错误…——index . php文件
<?php session_start();?>
<?php require_once("cc_includes/sessions.php"); ?>
<?php require_once('cc_includes/functions.php'); ?>
<?php require_once("cc_includes/sanitize.php"); ?>
<?php require_once('cc_includes/route.php'); ?>
<?php require_once("cc_includes/mydb.php"); ?>
<?php
if($request_uri_header!='')
{
require_once($request_uri_header);
}
?>
<!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">
<head>
<?php require_once("cc_includes/default_files.php");?>
</head>
<title><?php echo $the_title;?></title>
<body id="page1">
<!-- header -->
<div class="bg">
<section>
<?php require_once("cc_includes/message.php"); ?>
<div class="main">
<header>
<?php require_once("cc_includes/logo.php"); ?>
<?php require_once("cc_includes/navigation.php");?>
<?php require_once("cc_includes/slider.php"); ?>
</header>
<section id="content">
<div class="padding">
<?php require_once("cc_includes/boxes.php"); ?>
<div class="wrapper">
<div class="col-3">
<div class="indent">
<?php
if($request_uri!='')
{
require_once($request_uri);
}
?>
</div>
</div>
</div>
</div>
</section>
<?php require_once("cc_includes/footer.php");
require_once("cc_includes/end_scripts.php");
?>
</div>
</section>
</div>
</body>
</html>
——sessions.php文件
$session_user=false;
$session_message=false;
if(!isset($_SESSION) || !isset($_SESSION['user']))
{
$session_user=array(
's_name'=>'',
's_gender'=>'',
'college_id'=>'',
's_joining'=>'Dynamic',
's_department'=>'Dynamic',
's_location'=>'',
's_dob'=>'',
's_approved'=>0
);
$_SESSION['user']=serialize($session_user);
}
else
{
//print_r(unserialize($_SESSION['user']));
//exit;
$session_user=unserialize($_SESSION['user']);
}
——route.php文件 --------
if(isset($_GET['url']))
{
$total_request=explode('/',$_GET['url']);
if(count($total_request)>1)
{
$_GET['url']=$total_request[0];
array_shift($total_request);
$_GET['action']=$total_request[0];
array_shift($total_request);
foreach($total_request as $key=>$value)
{
$_GET['param'.$key]=$value;
}
unset($total_request);
}
if($session_user['s_approved']!=0)
{
if($_GET['url']=='' || $_GET['url']=='index.php')
{
header("location: main.php");
}
if(!is_file($_GET['url']))
{
set_error_message("No Such Location Exits!");
header("location: main.php");
}
$request_uri=$_GET['url'];
$request_uri_header="headers/".str_replace('.php','.h',$request_uri);
}
else
{
$request_uri="users/login.php";
$request_uri_header=str_replace('.php','.h',$request_uri);
if($_GET['url']!='' && $_GET['url']!='index.php')
{
if($_GET['url']=='services.php' || $_GET['url']=='register.php')
{
$request_uri=$_GET['url'];
$request_uri_header="headers/".str_replace('.php','.h',$request_uri);
}
else
{
if(is_file($_GET['url']))
{
set_error_message("You need to Login Before Accessing Other Site Area!");
}
else
{
set_error_message("No Such Location Exits!");
}
header("location: index.php");
}
}
}
if(!is_file($request_uri_header))
{
$request_uri_header='';
}
}
else
{
$request_uri="users/login.php";
$request_uri_header=str_replace('.php','.h',$request_uri);
}
——main.h文件
if(!registered_user() && !admin_user())
{
set_error_message("Please Login To View The Page!",2);
header("Location: index.php");
}
set_title("College Connections | Home");
view_boxes(false);
view_slider(FALSE);
——main.php文件
<?php
// if(!isset($session_user))
//{
//echo $session_user['s_name'];
//exit;
//}
//print_r($session_user);
//exit;
echo"<h1 class='"profile'">".$session_user['s_name']."</h1><h1 class='"blue_profile'">'s Profile</h1><a href='"dashboard.php'" style='float:right;margin-right:30px;margin-top:20px;'>College Dashboard</a><br /></br /><br />";
echo"<hr>";
echo"<div class='"prof_image'">";
$c_id=$session_user['college_id'];
$image=mysql_query("select path from img_upload where username='"$c_id'" limit 1",$connection);
if(!$image)
{
die("database query failed".mysql_error());
}
echo mysql_error($connection);
?>
您没有在index.php以外的任何文件中调用session_start()，因此当加载其他页面时会话将丢失