yarovikov

function get_categories_tree(string $taxonomy = 'category'): array
{
    $terms = get_terms([
        'taxonomy' => $taxonomy,
        'parent' => false,
        'hide_empty' => false,
    ]);

    if (empty($terms) || $terms instanceof WP_Error) {
        return [];
    }

    $categories = [];

    foreach ($terms as $term) {
        $categories[] = (object) [
            'value' => $term->term_id,
            'name' => $term->name,
            'children' => get_children_categories($term->term_id, $category_id),
        ];
    }

    return $categories;
}

function get_children_categories(int $parent_term_id, int $category_id): array
{
    $children = array();
    $child_terms = get_terms([
        'taxonomy' => 'category',
        'parent' => $parent_term_id,
        'hide_empty' => false,
    ]);

    foreach ($child_terms as $child_term) {
        $child = (object) [
            'term_id' => $child_term->term_id,
            'name' => $child_term->name,
            'value' => $child_term->term_id,
        ];

        $grandchildren = get_children_categories($child_term->term_id, $category_id);
        if (!empty($grandchildren)) {
            $child->children = $grandchildren;
        }

        $children[] = $child;
    }

    return $children;
}

class CloudPayments 
{
    public function systemEndpoint(): void
    {
       // адрес будет https://site.com/wp-json/cloudpayments/payment-notification
        register_rest_route('cloudpayments', '/payment-notification', [
            'methods' => 'POST',
            'callback' => [$this, 'handleCloudpaymentsPaymentNotification'],
            'permission_callback' => '__return_true',
        ]);
    }

    public function handleCloudpaymentsPaymentNotification(WP_REST_Request $request): WP_REST_Response
    {
        $params = $request->get_params(); // данные уведомления

        return new WP_REST_Response(['code' => 0], 200); // нужно вернуть нужный ответ (смотреть в доках платежки)
    }
}

$udata = get_userdata( $user->ID );
$registered = $udata->user_registered;

$stat = $zip->statIndex($i, 64);
$fileName = $stat['name'];

$retval = $a->format((float) $input, \NumberFormatter::TYPE_DOUBLE);

$media = $page->addMedia($file)->toMediaCollection('page_images');
return response()->json($media);

namespace App\Http\Controllers;

use App\Models\Page;
use VanOns\Laraberg\Blocks\BlockParser;

class HomeController extends Controller
{
    //
    public function index(BlockParser $parser)
    {
        $page = Page::where('slug', 'home')->firstOrFail();
        $blocks = $parser->parse($page->content);
        $output = '';
        foreach ($blocks as $block) {
            $output .= $block->render();
        }
        $page->content = $output;
        return view('home', ['page' => $page]);
    }
}

wp_enqueue_script('main', 'path', [], null, true);
wp_localize_script('main', 'php_data', ['homeUrl' => home_url()]);