Elgg-Lorea-Hydra/mod/hydra_theme/views/default/navigation/menu/user_over/placeholder.php

<?php
    
    $menus_present = (array) elgg_get_config("lazy_hover:menus");
    
    $user = elgg_extract("entity", $vars);
    if (!elgg_instanceof($user, "user")) {
        return;
    }
    
    $guid = (int) $user->getGUID();
    $page_owner_guid = (int) elgg_get_page_owner_guid();
    $contexts = elgg_get_context_stack();
    $input = (array) elgg_get_config("input");
   
    // generate MAC so we don't have to trust the client's choice of contexts
    $data = serialize([$guid, $page_owner_guid, $contexts, $input]);
    $mac = elgg_build_hmac($data)->getToken();
    
    $attrs = [
        "rel" => $mac,
        "class" => "elgg-menu elgg-menu-hover elgg-ajax-loader",
    ];
    
    if (empty($menus_present[$mac])) {
        $attrs["data-elgg-menu-data"] = json_encode([
            "g" => $guid,
            "pog" => $page_owner_guid,
            "c" => $contexts,
            "m" => $mac,
            "i" => $input,
        ]);
    
        $menus_present[$mac] = true;
        elgg_set_config("lazy_hover:menus", $menus_present);
    }
    
    echo elgg_format_element('ul', $attrs);