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
$_FILES array
Ok,
I just started experimenting with PHP today. My goal right now is to have people be able
Changing files over
Just thought I'd start with the new forums looking really nice .
Ok basically I've made this
Grabbing Values From an Array for Posting
I have a grid array that I am using with a form that when it hits the currently named test.php it lo
Adding to the next element in a multidimensional array
Hi, I'm trying to add a value to $node->field_spaces['nid'] where x is the next available spo
help need on ob_start()
Hi
I am a newbie in php, I have a code
Line number On/Off | Expand/Contract <?phpo
Is there a more efficient way to code this than what I have?
I have three associative arrays.
$combinedSettings
$userSettings
$defaultSettings
Passing variables with pagination - iterating through unique id per link
Hi everyone,
I have seen a few topics like this one. Still cant find the specific thing, so I am
How to Create a Dynamic table
col1 col2 date1 date2 date3 date4..........
a b v1 v2 v3 v4
Splitting Attributes
SQL> SELECT I_NAME, substr(I_NAME,1,instr(I_NAME,'O')) "First part",
substr(I_NAME, IN
Pre-Fill out a PHP form...??
This is for work actually (geek squad). We have to fill out this online php form at work over and ov
