RewriteEngine On

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule .+ %{DOCUMENT_ROOT}/whereveryouwannakeepthis/404.php [L]

<?php

$uri = $_SERVER['REQUEST_URI'];

$path = parse_url($uri, PHP_URL_PATH);

$filename = basename($path);

if($collection = substr($filename, 0, strpos($filename, ".php")) )
{ 
$collection = str_replace("-"," ",$collection);
print $collection;
}
else
{
http_response_code(404);
exit;
}

?>