<?php
$designrooms = array(
    'http://www.wanderfuls.com/pompoms.html',
    'http://www.unforgettabledecorations.com/',
    'http://www.bestcandycenterpiece.com/',
    'http://www.mywanderfuls.com/',
    'http://www.wanderfulscenterpiecedesigns.com/',
    'http://www.wanderfuls.com/pompoms.html'
);
$i = 1;
$myfile = fopen("switchem.txt", "r") or die("Unable to open file!");
$i = (int) fread($myfile,filesize("switchem.txt"));
fclose($myfile);
header("Location: $designrooms[$i]");
die();
?>