Alternative to “header” for re-directs in PHP

Question

I am working on a project and I am required to run my program on someone else\'s webserver. It is a pretty simple login page that I am having the problem with. The program

Answer 1

From the docs:

Remember that header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP.

Your echo is causing the redirect to fail, as is any other output sent before the header.

Answer 2

Use This Code 

Syntax :

  echo '<script type="text/javascript"> window.location="<Your_URL>";</script>';


write this line insted of header("location: UI.php");


   echo '<script type="text/javascript"> window.location="UI.php";</script>';