For all Developer who are searching for a function that return you a current category in wordpress! here you can find a result
if(is_category()) {
$cat = get_query_var(‘cat’);
$currentCat = get_category($cat);
$currentCat->term_id;
}
if(is_category()) { $cat = get_query_var(‘cat’); $currentCat = get_category($cat); $currentCat->term_id; }