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($_SESSION['plaincart_user_id']);
session_unregister('plaincart_user_id');
}
header('Location: login.php');
exit;
}
No comments posted yet
Your Answer:
Login to answer
174 
14 
Other forums
HOW to get the bind variables list.
I've the following problem : I've some SQL queries stored in my DB as VARCHAR2 values.
I need t
PHP - MySQL Fail
My PHP code will only execute the first part of my code...
Code: <?php
sessio
MySQL noob question
hi guys
I have a simple mysql table set up, along the lines of
Col 1 - Col 2 - Date_l
Socket programming
Hello all,
I have a PHP socket script. GPS trackers connect to this socket. IMEI verification
using explode() to fill in checkboxes
Hi
I have a field stored in a table that contains regions in the UK separated by commas. Ther
Random Number Generation And Probability
Hello, I am working on a function which has to insert data into a SQL table.
we have to suppl
Displaying pictures
i have worked my way through storing images in directory and storing the location in mySQL db.Now i
setcookie and isset($_COOKIE(name)) seem very finnicky.
I'm currently playing around with a user system with login and registration. I'm trying to use cooki
Probably Easy, Need help with Check Boxes in PHP Code
hello,
Thanks for looking this over and helping me out. My problem is I have a online store l
CURL XML Request [From C to PHP]
Hi,
I need some help converting this into something that will work with PHP.
Code: #
