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
need help in creating captcha
hi i have a problem creating captcha system. i create some basic script for image displaying but it
Pls help with PHP
Pls can anyone direct me on how to create a user account for a customer. For example i want know if
Echoing ASCII code
I have a php page that splits a string into chars and then echoes the ASCII code for each char. I'm
Problems generating word documents on server side for security reasons
I have a problem with word documentation generation when generating a word document (docx) with PHP.
Change log of Cost centre change in Plant maintenance order
Hi,
How to view Change log of Cost centre in Plant maintenance order. Not visible thru 'Docume
adding up might be solved tell us cheers.
i think i finally solved this anybody.
last time i was getting the wrong results.
Code
Alternate messaging
I have 4 strings in MySQL db1
$string1 : Hello
$string2 : Hi
$string3 : Great
$strin
Simple AND question
Hello,
I've got following code:
Code: if(strpos($row[13],"http://")
Change snippet to use CURDATE
I am using time() in the snippet below, I would like to use CURDATE() and have the database setup fo
echo $rows help
Hi all,
Hopefully something simple that I don't know!
I have this:
Code: [Selec
