Dynamic promise stack about promises HOT 2 CLOSED

use GuzzleHttp\Promise\PromiseInterface;

class PromiseStack {

    /**
     * @param PromiseInterface[]|array|\Traversable|\Generator $promises
     * @return PromiseInterface
     */
    public static function all($promises) : PromiseInterface {
        return \GuzzleHttp\Promise\all($promises)->then(function ($result) use (&$promises) {
            foreach ($promises AS $promise) {
                if (\GuzzleHttp\Promise\PromiseInterface::PENDING === $promise->getState()) {
                    return static::all($promises);
                }
            }
            return $result;
        });
    }

}