slimframework3-routes.php

<?php

$app = new \Slim\App();
$app->group('/users/{id:[0-9]+}', function () {
    $this->map(['GET', 'DELETE', 'PATCH', 'PUT'], '', function ($request, $response, $args) {
        // Find, delete, patch or replace user identified by $args['id']
    })->setName('user');
    $this->get('/reset-password', function ($request, $response, $args) {
        // Route for /users/{id:[0-9]+}/reset-password
        // Reset the password for user identified by $args['id']
    })->setName('user-password-reset');
});