PHP Login
Posted on
16th Feb 2014 07:03 pm by
admin
Hey!
I got this shopcart code online, am trying to modify it but am getting an error when i try and login as an administrator.
Am new to php ......so let me know if you can help
Source code for /admin/login.php
<?php
require_once '../library/config.php'; //contains the database configuration
require_once './library/functions.php'; //contains functions such as doLogin() posted below
$errorMessage = ' ';
if (isset($_POST['txtUserName'])) {
$result = doLogin(); // default username and password is admin
if ($result != '') {
$errorMessage = $result;
}
}
?>
<html>
<head>
<title>Shop Admin - Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link href="include/admin.css" rel="stylesheet" type="text/css">
</head>
<body>
<table width="750" border="0" align="center" cellpadding="0" cellspacing="1" class="graybox">
<tr>
<td><img src="include/banner-top.gif" width="750" height="75"></td>
</tr>
<tr>
<td valign="top"> <table width="100%" border="0" cellspacing="0" cellpadding="20">
<tr>
<td class="contentArea"> <form method="post" name="frmLogin" id="frmLogin">
<p> </p>
<table width="350" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#336699" class="entryTable">
<tr id="entryTableHeader">
<td>:: Admin Login ::</td>
</tr>
<tr>
<td class="contentArea">
<div class="errorMessage" align="center"><?php echo $errorMessage; ?></div>
<table width="100%" border="0" cellpadding="2" cellspacing="1" class="text">
<tr align="center">
<td colspan="3"> </td>
</tr>
<tr class="text">
<td width="100" align="right">User Name</td>
<td width="10" align="center">:</td>
<td><input name="txtUserName" type="text" class="box" id="txtUserName" value="admin" size="10" maxlength="20"></td>
</tr>
<tr>
<td width="100" align="right">Password</td>
<td width="10" align="center">:</td>
<td><input name="txtPassword" type="password" class="box" id="txtPassword" value="admin" size="10"></td>
</tr>
<tr>
<td colspan="2"> </td>
<td><input name="btnLogin" type="submit" class="box" id="btnLogin" value="Login"></td>
</tr>
</table></td>
</tr>
</table>
<p> </p>
</form></td>
</tr>
</table></td>
</tr>
</table>
<p> </p>
</body>
</html>
Source code for the login function in the function.php
function doLogin()
{
// if we found an error save the error message in this variable
$errorMessage = '';
$userName = $_POST['txtUserName'];
$password = $_POST['txtPassword'];
// first, make sure the username & password are not empty
if ($userName == '') {
$errorMessage = 'You must enter your username';
} else if ($password == '') {
$errorMessage = 'You must enter the password';
} else {
// check the database and see if the username and password combo do match
$sql = "SELECT user_id
FROM tbl_user
WHERE user_name = '$userName' AND user_password = PASSWORD('$password')";
$result = dbQuery($sql);
if (dbNumRows($result) == 1) {
$row = dbFetchAssoc($result);
$_SESSION['plaincart_user_id'] = $row['user_id'];
// log the time when the user last login
$sql = "UPDATE tbl_user
SET user_last_login = NOW()
WHERE user_id = '{$row['user_id']}'";
dbQuery($sql);
// now that the user is verified we move on to the next page
// if the user had been in the admin pages before we move to
// the last page visited
if (isset($_SESSION['login_return_url'])) {
header('Location: ' . $_SESSION['login_return_url']);
exit;
} else {
header('Location: index.php');
exit;
}
} else {
$errorMessage = 'Wrong username or password';
}
}
return $errorMessage;
}
/*
Logout a user
*/
function doLogout()
{
if (isset($_SESSION['plaincart_user_id'])) {
unset($_SESSION['plaincart_user_id']);
session_unregister('plaincart_user_id');
}
header('Location: login.php');
exit;
}
No comments posted yet
Your Answer:
Login to answer
174 
14 
Other forums
PHP doesn't send my mail
Hi all, I found this and used it to send mail. Simple contact form with some required fields. The va
Coding question?
Hey guys, I have a quick question. If I want to make a way for people to pay for health in my game,
Redistributing dependent dlls
Hai all ,
I have created an application in VC++ using VS2008 in a development machine which r
[function.file]: failed to open stream: No such file or directory
Okay I wrote this little script to upload a csv file that is located on my webhosts server to a mysq
How to schedule the a job?
Hi,
I have prepared a task ( i.e. a procedure is prepare the file and send the same to con
How do I know when getBounds Method is ready to be called.
I have an application that changes out stylesheets client side. Once I change stylesheet the browse
Renaming a file that a user uploads to site?
My site allows for registered users to upload images to the site under their own gallery. Currently
Pspell with my own dictionary
Hello!
I've tested two cases using pspell functions.
1)
Code: $dictionary_link = pspell_new
Floating Point Precision Loss
I'm writing a program to draw a three-dimensional cube (with a corner cut off) without using any 3D
preg_replace question
Hello!!
I hope someone can help me with preg_replace.
I load two tables from an extern
