1Answer
At first we have to create login page with username and password input field. By using the input box, we can get the username and password using php post method which is secure after submitting the form. Now we have create session on welcome page, and put user name in my session. Then we create logout page and unset my session
Config.php
Config.php file is having information about MySQL Data base configuration.
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$dbname = 'login_test';
$con = mysql_connect($dbhost, $dbuser, $dbpass);
if(! $con )
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db($dbname);
//echo 'Connected successfully';
?>
Login.php
Login PHP is having information about php script and HTML to do login.
<?php
include("config.php");
session_start();
$lmsg="";
if($_POST)
{
$user_id = $_POST['user_id'];
$user_pass = $_POST['user_pass'];
$sql = "SELECT * FROM login WHERE user_id = '$user_id'";
$result = mysql_query($sql) or die(mysql_error());
$count = mysql_num_rows($result);
//echo $count;
if($count == 1)
{
$info=mysql_fetch_array($result);
if($info['user_pass']==$user_pass)
{
$_SESSION['rmg']= "$user_id";
header("location:welcome.php");
}
else
{
$lmsg = "password not match";
}
}
else
{
$lmsg= "Invalid User";
}
}
?>
<html>
<head>
<title>Login Page</title>
<style type = "text/css">
body {
font-family:Arial, Helvetica, sans-serif;
font-size:14px;
}
label {
font-weight:bold;
width:100px;
font-size:14px;
}
.box {
border:#666666 solid 1px;
padding:5px;
}
</style>
</head>
<body>
<div align = "center">
<div style = "width:300px; border: solid 1px #000; " align = "left">
<div style = "background-color:#ccc; color:#000; padding:10px;"><b>Login</b></div>
<div style = "margin:30px">
<form action ="" method = "post">
<label><?php echo $lmsg;?> <br /><br />
<label>UserName :</label><input type = "text" name = "user_id" class = "box"/><br /><br />
<label>Password :</label><input type = "password" name = "user_pass" class = "box" /><br/><br />
<input type = "submit" value = " Submit "/><br />
</form>
</div>
</div>
</div>
</body>
</html>
welcome.php
welcome.php it will display After successful login.
<?php
session_start();
if(isset($_SESSION['rmg']))
{
$rmg=$_SESSION['rmg'];
}
else
{
$rmg=null;
}
if(empty($rmg))
{
header('Location: index.php');
}
?>
<html">
<head>
<title>Welcome page </title>
</head>
<body>
<h1>Welcome <?php echo $rmg ?></h1>
<a href="logout.php">Lougout</a>
</body>
</html>
logout.php
logout.php it will unser your session and redirect your login page.
<?php
session_start();
// Delete certain session
unset($_SESSION['rmg']);
header('Location: login.php');
?>
- answered 6 years ago
- Community wiki
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