<?php
// in production, you might use a database & have some error handling
$articles = [
'cat'=>[
'title'=>'Cats are great',
'description'=>'I\'ve always loved cats. I had two when I was a little kid. As a teen I had a dog & a cat. Loved them both dearly. I love dogs too.'
],
'dog'=>[
'title'=>'fill me in',
'description'=>'fill me in'
],
];
$lia->addRoute('/{article}/',
function($route, $response) use ($lia, $articles){
$slug = $route->param('article');
$view = $lia->view('ArticlePreview', $articles[$slug]);
$response->content = $view;
}
);