changing extension of a file

How to change extension of a file php file from
file.php to file.xml

 

If you want client browser to recognize your file.php as an XML, you need to set content-type header before outputting xml code, like this:

file.php

<?php
  header ("Content-Type:text/xml");

  // ..... your code here ...

?>

PHP:

 

http://us3.php.net/manual/en/function.rename.php