<?php
$this->EE =& get_instance();
$seg1 = $this->EE->uri->segment(1);
$seg2 = $this->EE->uri->segment(2);
$seg3 = $this->EE->uri->segment(3);

$full_seg = "test";

if($seg2 === FALSE) {
     $full_seg = $seg1;
}

else {
     $full_seg = $seg1 . "/" . $seg2;
}

if($seg3 !== FALSE){
     $full_seg .= "/" . $seg3;
}

$url = "http://doxateck.com/" . $full_seg;

// Permanent redirection
header("HTTP/1.1 301 Moved Permanently");
header("Location: " . $url);

exit();
?>