How to change the url though php?

Answer 1

You can use the header function for that:

header("LOCATION: http://www.something.com");

Answer 2

<?php
header('Location: http://www.example.com/');
?>

Make sure there is NOTHING above the line outputed. otherwide it'll fail.

Answer 3

You could use the header() command:

<?php
  header("Location: http://www.example.com/");
?>