<?php
// Redirect old routes
$location = '';
switch(Request::path())
{
    case 'portfolio/tops-wtw-filters':
        $location = 'cases/tops-wtw-filters';
        break;
    case 'itho/itho-daalderop':
        $location = 'nl/itho-daalderop';
        break;
}

// Redirect to new location
if( ! empty($location))
{
    header('location: /' . $location, true, 301);
    exit;
}