php - redirect - Redirecting to previous page after login? -


i need someone's expertise. once user logged in.... want them redirected php page if attempt go login page. right user can still login able go login form.

<?php  if(isset($_post['login'])){  session_start();  $password = $_post['pass']; $email = $_post['email'];  $user_pass= md5($user_pass);  $check_user = "select * userss user_pass='$password' , user_email='$email'";  $run = mysql_query($check_user);  if(mysql_num_rows($run)>0){  $_session['email']=$email;  echo "<script>window.open('welcome.php','_self')</script>"; } else { echo "<script>alert('email or password incorrect!')</script>";    }  }  ?> 

this type of question has been answered. see how make redirect in php?

you checking login status of user prior serving page. right?

if (logged_in){   header("location: http://example.com/myotherpage.php");   die(); }