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Basic Login Script with PHP A rudimentary login script tutorial aimed at those looking to learn ho Rate Topic: ****- 1 Votes

#31 sfw  Icon User is offline

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Posted 13 March 2010 - 11:49 AM

thank you. easy to follow.
a question: when a user is logged in, how do i print their username on login success page.

This is what I have on my Check Login Page:
$username = $_POST['user'];
$password = $_POST['pass'];
$_SESSION['$username'];


This is what i have on my Login Success Page:
<?php echo $_SESSION['$username']; ?>

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#32 akozlik  Icon User is offline

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Posted 14 March 2010 - 07:35 PM

View Postsfw, on 13 March 2010 - 01:49 PM, said:

thank you. easy to follow.
a question: when a user is logged in, how do i print their username on login success page.

This is what I have on my Check Login Page:
$username = $_POST['user'];
$password = $_POST['pass'];
$_SESSION['$username'];


This is what i have on my Login Success Page:
<?php echo $_SESSION['$username']; ?>


session_start(); // At the top of the page
$_SESSION['username'] = $_POST['user'];


Then on a different page you can use $_SESSION['username']. Just make sure you have session_start() at the top of each page you want to have session variables in.
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#33 sfw  Icon User is offline

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Posted 17 March 2010 - 07:59 AM

very nice. thank you for reply.
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#34 Guest_MikeCobb78*


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Posted 26 April 2010 - 11:45 PM

I am having problems with my login page. I have a condition in here that should send the user to a failed login screen but it sends everyone to it when they click on the login page link. It is processing it right away. I have like you can see below the PHP code first and I think I need to split it up to make it work but the header commands won work if they are below in the HTML code. So I was wondering if anyone can please help me out and look this thing over form me real quick to see what it is I did wrong. More than likely it is just a simple fix nothing to big but I have been looking at this thing for a while and everything I try doesn't work.


<?php
session_start(); //starts a new session


$username = "******";
$password = "******";
$host = "localhost";

$database = "******";

$conn = mysql_connect($host, $username, $password);

$database = mysql_select_db($database, $conn) or die ("Could not select database: " . mysql_error() );

//POST Variables
$username = $_POST['user'];
$password = $_POST['pass'];
$hash = sha1($password);
$_SESSION['username'] = $username;
$count = 0;

$sql = "select * from account where username = '$username' and password = '$hash'";
$result = mysql_query($sql) or die ( mysql_error() );




$count = mysql_num_rows($result);

if ($count == 1) {
         $_SESSION['loggedIn'] = "true";
         header("Location: final_project.php"); // This is wherever you want to redirect the user to
} else {
	$_SESSION['loggedIn'] = "false";
	header("Location: loginFail.php");
}


?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <link rel="stylesheet" type="text/css" href="blogotest.css" media="screen" />
<title>Final Project Account Creation</title>


</head>

<body link="#FFFFFF" >
<div id="Header"></div>
<div id="NavRuler"></div>
<div id="NavRuler2"></div>
<div id="Nav">
<!-- The button for navigation are listed below --->

<a href="final_project.php">
<img border="0" id='button880' width="60" height="25" 
src="buttonHome.png"
onmouseover = 'document.getElementById("button880").src = "buttonHomePressed.png"'
onmouseout =  'document.getElementById("button880").src = "buttonHome.png"'
></a>
&nbsp;
<a href="Stats.php">
<img border="0" id='button881' width="60" height="25" 
src="buttonStats.png"
onmouseover = 'document.getElementById("button881").src = "buttonStatsPressed.png"'
onmouseout =  'document.getElementById("button881").src = "buttonStats.png"'
></a>
&nbsp;
<a href="Blog.php">
<img border="0" id='button882' width="60" height="25" 
src="buttonBlog.png"
onmouseover = 'document.getElementById("button882").src = "buttonBlogPressed.png"'
onmouseout =  'document.getElementById("button882").src = "buttonBlog.png"'
></a>

</div>
<div id="wrap">
<div id="back">
<div id="Content">
<font color="#CCCCCC">

<h2>Login To Red Sox Nation</h2>
<br />
<br />
<form action="login.php" method="post">
         <table>
                  <tr>
                           <td>Username: </td>
                           <td><input type="text" name="user"></td>
                  </tr>
                  
                  <tr>
                           <td>Password: </td>
                           <td><input type="password" name="pass"></td>
                  </tr>
                 
                  <tr>
                           <td><input type="reset" value="Reset" name="Reset" />&nbsp;
                           <input type="submit" name="Submit" value="Submit" /></td>
                           <td>&nbsp;</td>
                  </tr>
         </table>
</form>
<br /><br />
<br />

</font></div></div></div>
<div id="Footer"></div>
</body>
</html>

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#35 deplicator  Icon User is offline

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Posted 26 October 2011 - 01:02 PM

I just signed up for dreamincode.net to say thanks for the tutorial. It was apparently just what I needed to kick start the brain into PHP and mySQL. Since following your tutorial I've gone on to figure out how to not store my password in plain text and today I can say I finally get what SQL injection is. The first few comments really bash it, but it is as advertised--for those of us still learning. It's perfect and I thank you for helping me take a big step towards wrapping my head around coding.
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