Untitled

// all code html and functionality as follows

<?php

session_start();
include("connection.php");


 $username=$_POST['email'];
 $password=$_POST['password'];
$deleted='N';

 $sql1=mysql_query("select * from tbl_login where is_deleted='N'");


			while($result=mysql_fetch_array($sql1))
			{
			$email=$result['username'];
			$pass=$result['password'];


				if($username==$email && $password==$pass)
				{
					// set session name as
				 $_SESSION['username']=$username;

				echo "<script>
						alert('your login has been successfully');
						window.location.href='register.php';
					</script>";
				}else
				{

					echo "<script>
						alert('login fail please try login again');
						//window.location.href='login.php';
					</script>";
				}


			}

?>

<html>
<head>
<title> Login Demo </title>
<style>	.login_form{margin:50px 150px; padding:20px; border:1px solid black;}
	.btn{padding:8px 15px;}
</style>
</head>
<body>
	<form name="login_form" class="login_form" method="POST" action="login.php" />

		<h2> Login Demo using core php </h2><br>


	<p><input type="email" name="email" placeholder="enter username" /></p>
	<p><input type="password" name="password" placeholder="enter password min 4 digit" /></p>
	<p> <button type="submit" name="submit">Submit</button>

	</form>

</body>
</html>

// set session at the login check and check it on after login page as follows
// after login i want to load register page so

<?php

include('connection.php');
 session_start();
 echo "session_id=".$session_id=$_SESSION[ 'username'];
 if($session_id==null)
 { header( "Location:login.php"); }
 else
 { ?>
	<!--- else section for load any view after login successfully----->
  // this section for register page body

?>