Silex on Raspberry Pi

app.php

require_once __DIR__.'/../vendor/autoload.php';

$app = new Silex\Application();

$app->get('/', function () {
        $uname = shell_exec('uname -a');
        return "<img src='logo.jpg' style='width:26px; height:26px; float: left;' /><h3>Hello says <em>Silex</em> running on <em>Raspberry Pi</em>!</h3></br>> php shell_exec('uname -a')<br/> <code>{$uname}</code>";
<em>Silex<$
});


$app->run();