php attributes example routes

routes_example.php

<?php

#[attribute]
class Route
{
    public $method;
    
    public $path;
    
    public function __construct($method, $path) {
        $this->method = $method;
        $this->path = $path;
    }
}

class Controller
{
    // the attribute takes the parameters of the construct
    #[route('GET', '/user/:userId')]
    public function getUser($userId)
    {
        // do action
    }
}

// create reflection method
$reflection = new ReflectionMethod(Controller::class, 'getUser');

// get all Route attributes
$attribute = $reflection->getAttributes(Route::class);

// initialises the class instance
$route = reset($attribute)->newInstance();

// GET - /user/:userId
echo $route->method . ' - ' . $route->path;