login with session in php Archives - https://mitindia.in/tag/login-with-session-in-php/ Sat, 26 Nov 2016 06:37:00 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://mitindia.in/wp-content/uploads/2023/03/cropped-android-chrome-512x512-1-32x32.png login with session in php Archives - https://mitindia.in/tag/login-with-session-in-php/ 32 32 Login with session in php https://mitindia.in/login-with-session-in-php/ Thu, 16 Jun 2016 05:47:12 +0000 http://www.mitindia.in/?p=43 The following example shows use of Login authentication with session variables. Before we create programs, let’s first create a table called “users” in your database with following screen image. [both usernm and password field type set to “varchar”] 1. Create Login2.php with following code in it. <?php session_start(); ?> <html> <title>Login</title> </head> <body> <h1> Login […]

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]]> The following example shows use of Login authentication with session variables.

Before we create programs, let’s first create a table called “users” in your database with following screen image.
[both usernm and password field type set to “varchar”]

1. Create Login2.php with following code in it.

<?php  
session_start();
?>  
 
<html>  
 <title>Login</title>  
</head>  
<body>  
  <h1> Login here </h1>
<form name="form" method="post" action="login2.php">  
<input class="form-control" placeholder="User name" name="email" type="text" autofocus>   <br>
<input class="form-control" placeholder="Password" name="pass" type="password" value="">  <br>
                 
<input  type="submit" value="login" name="login" >  
</form>  
</body>  
</html>  

<?php  
$con = mysqli_connect('localhost','root','','mars_db');
  
if(isset($_POST['login']))  
{  
    $user_email=$_POST['email'];  
    $user_pass=$_POST['pass'];  
  
$check_user="select * from users WHERE usernm='$user_email' AND password='$user_pass'";  
  
    $run=mysqli_query($con,$check_user);  
      if(mysqli_num_rows($run))  
    {  
  echo "<script>window.open('welcome.php','_self')</script>";  
  
        $_SESSION['email']=$user_email;
      }  
    else  
    {  
      echo "<script>alert('Email or password is incorrect!')</script>";  
    }  
}  
?>

2. The output looks like following image.

3. Now create a file called “welcome.php” with following code in it.

<?php  
session_start();  
  if(!$_SESSION['email'])  
{  
header("Location: login2.php");
}  
  
?>  
 
<html>  
<head>  
  
    <title>  
        Registration  
    </title>  
</head>  
  
<body bgcolor="green" text="white">  
<h1>Welcome</h1>
<?php  
echo $_SESSION['email'];  
?>  
 
<h1><a href="logout2.php">Logout here</a> </h1>  
</body>  
</html>

4. Output of the above code would produce the following screen shot.

5. Now create a file called “logout2.php” with following code in it.

<?php  
session_start();
session_destroy();  
header("Location: login2.php");
?>

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