API Posts

public function pageDemosPosts(): void
{
    $page    = max(1, (int)$this->request->getQuery('page', 1));
    $perPage = 9;
    $http    = new Client(['timeout' => 5]);

    $postsResp = $http->get('https://jsonplaceholder.typicode.com/posts', [
        '_limit' => $perPage,
        '_start' => ($page - 1) * $perPage,
    ]);
    $usersResp = $http->get('https://jsonplaceholder.typicode.com/users');

    foreach ((array)$usersResp->getJson() as $user) {
        $userMap[(int)$user['id']] = $user;
    }

    $total      = (int)$postsResp->getHeaderLine('X-Total-Count');
    $totalPages = (int)ceil($total / $perPage);

    $this->set(compact('posts', 'userMap', 'error', 'page', 'totalPages'));
}