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Minimal Setup

Table of Contents

Autoloading src

Create and autoload your src or app folder, which is where all your namespaced classes reside. Add below entry to your composer.json file.

  "autoload": {
    "psr-4": {"App\\": "src/"}

Then run composer update

Hello world bootstrap

Create a file called app.php. (any file name is cool). Below is the most basic hello world app we can write.

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

$app = new \Exedra\Application(__DIR__);

$app->map['hello']->get('/')->execute(function () {
    return 'hello world';

return $app;

Front controller

Then create a /public/index.php as the front controller in order to test your app.

$app = require_once __DIR__ . '/../app.php';


Hello World

And simply test it with the built-in php server.

cd public
php -S localhost:8080

Then, run the http://localhost:8080 on your browser and get your hello world;