HUB if (isset($_SESSION['gth_cache_nav_cats']) && is_array($_SESSION['gth_cache_nav_cats']) && (time() - ($_SESSION['gth_cache_nav_cats_time'] ?? 0) < 600)) { $nav_cats = $_SESSION['gth_cache_nav_cats']; } else { $nav_cats_res = gth_hub_db_query("SELECT id, nombre, slug FROM {$DBprefix}Hub_categorias WHERE parent_id IS NULL ORDER BY id ASC LIMIT 8"); $nav_cats = []; if ($nav_cats_res) { while ($c = @$nav_cats_res->fetch_assoc()) { $nav_cats[] = $c; } } $_SESSION['gth_cache_nav_cats'] = $nav_cats; $_SESSION['gth_cache_nav_cats_time'] = time(); } $cat_icons = [ 'negocios' => 'fa-chart-line', 'tecnologia' => 'fa-microchip', 'general' => 'fa-folder-tree' ]; if (isset($_SESSION['gth_cache_pulse_tags']) && is_array($_SESSION['gth_cache_pulse_tags']) && (time() - ($_SESSION['gth_cache_pulse_tags_time'] ?? 0) < 300)) { $pulse_tags = $_SESSION['gth_cache_pulse_tags']; } else { $pulse_sql = "SELECT t.id, t.nombre FROM {$DBprefix}Hub_etiquetas t JOIN {$DBprefix}Hub_noticia_etiquetas rel ON t.id = rel.etiqueta_id JOIN {$DBprefix}Hub_noticias n ON rel.noticia_id = n.id WHERE n.fecha_origen > DATE_SUB(NOW(), INTERVAL 48 HOUR) GROUP BY t.id ORDER BY COUNT(n.id) DESC LIMIT 15"; $pulse_res = gth_hub_db_query($pulse_sql); $pulse_tags = []; if ($pulse_res) { while ($pt = $pulse_res->fetch_assoc()) { $pulse_tags[] = $pt; } } $_SESSION['gth_cache_pulse_tags'] = $pulse_tags; $_SESSION['gth_cache_pulse_tags_time'] = time(); } $is_home = empty($view_cat_id) && empty($view_tag_id) && empty($search_query) && empty($view_node_id); ?>