AltoRouter - mapping/routing home class as default - php

Question

I get the part how you call your controllers here but how to set 'Home' as default controller and 'index' as default action in AltoRouter
this is wrong but something like
$router->map('GET', '/', function($controller, $action) {
$controller = 'Home';
$action = 'index';
});

Answer 1

Depends a little on what you mean by 'default action'.
If you mean "how do I make the '/' route go to the index() method on my HomeController class", then a simplified version of the linked github issue (and the AltoRouter website) would apply:
$router = new AltoRouter();
$router->setBasePath('/example.com');
$router->map('GET','/', 'HomeController#index');
$match = $router->match();
if ($match === false) {
header($_SERVER["SERVER_PROTOCOL"].' 404 Not Found');
} else {
list($controller, $action) = explode('#', $match['target']);
if ( is_callable([$controller, $action]) ) {
$obj = new $controller();
call_user_func_array([$obj, $action], [$match['params']]);
} else {
// here your routes are wrong.
// Throw an exception in debug, send a 500 error in production
}
}
The # here is completely arbitrary, it's just a delimiter to separate the controller name from the method being called. laravel uses an # for a similar kind of router-to-controller notation (i.e. HomeController#index).
If you meant "if in doubt, show the home page as a default action", then it would look fairly similar to the above, the only difference would be that the 404 path would be simply:
if ($match === false) {
$obj = new HomeController();
$obj->index();
} else {
// etc.
}