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SESSION Variables


mbrown

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<?php
session_start();
if(empty($_SESSION['user_id'])){
header('location: index.php');
        }
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Main Dashboard</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="css/bootstrap-responsive.min.css" rel="stylesheet">
<link href="http://fonts.googleapis.com/css?family=Open+Sans:400italic,600italic,400,600"
        rel="stylesheet">
<link href="css/font-awesome.css" rel="stylesheet">
<link href="css/style.css" rel="stylesheet">
<link href="css/pages/dashboard.css" rel="stylesheet">
<!-- Le HTML5 shim, for IE6-8 support of HTML5 elements -->
<!--[if lt IE 9]>
      <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
</head>
<body>
<?php
        $userid=$_SESSION['user_id'];
        echo $userid;
?>

I have the above code. I am curious why I can not print out the userid on the page. I am using this as a roadmap as I want to include the username, first and last name in the session variables so I can use it throughout the current session to write out something like

 

"Welcome First_Name Last_Name"

 

Thanks for the help!

 

Mike

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technically, there's nothing that would prevent your code from working. however, i can name at least a half-dozen things that could make it 'appear' like it isn't working.

 

do you have php's error_reporting set to E_ALL and display_errors set to ON, so that php would help you by reporting and displaying all the errors it detects. i'm betting you would be getting php errors that would help pin down the problem.

 

next, what is the user_id value supposed to be? one of the possibilities for why it may not be 'appearing' is if it happened to intentionally or accidentally be in the form of a html tag, in which case it would appear in the 'view source' of the page and not be displayed.

 

lastly, you need an exit; statement after the header() redirect to stop program execution. the current code allows a non-logged in user to access the page since all the code still runs.

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technically, there's nothing that would prevent your code from working. however, i can name at least a half-dozen things that could make it 'appear' like it isn't working.

 

do you have php's error_reporting set to E_ALL and display_errors set to ON, so that php would help you by reporting and displaying all the errors it detects. i'm betting you would be getting php errors that would help pin down the problem.

 

next, what is the user_id value supposed to be? one of the possibilities for why it may not be 'appearing' is if it happened to intentionally or accidentally be in the form of a html tag, in which case it would appear in the 'view source' of the page and not be displayed.

 

lastly, you need an exit; statement after the header() redirect to stop program execution. the current code allows a non-logged in user to access the page since all the code still runs.

 

The user_id is a integer. 

 

ERROR REPORTING set to all

 

DISPLAY ERRORS is enabled

 

I am seeing it now. Not sure why it did not show up before. 

 

Thanks for the reminder about error reporting and display errors. That will help me out alot in the future in development.

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