Untitled

if (isset($_POST["submit"])) {
    $username = trim($_POST["username"]);
    $password = trim ($_POST["password"]);

    if (has_presence($username)) {
        redirect_to("Homepage2.php");
    }
}


?>


<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">
 <head>
  <title>Start Collay Login(beginLogin)</title>
 </head>
 <body>

     <?php echo "This is the first login page"; ?>


     <form action="beginLogin.php" method="post">
     Username: <input type="text" name="username" value=""><br>
     Password: <input type="text" name="password" value=""><br>
     <input type="submit" name="submit" value="submit">
 </form>

 </body>
</html>

<?php
function redirect_to($new_location) {
        header("Location: " . $new_location);
        exit;
    }

?>