Table filter

Hello everyone, I have a table which I want to filter users, add the userid, username, userlevel I add them with autofill. So far everything is perfect, when I want to filter users by userlevel it gives me an error …
The ones I filter are the ones I don’t want to show. Before this filter worked perfect for me …Filter:
(CurrentPageID () == “add” || CurrentPageID () == “edit”)? UserLevel = ‘-2’‘0’ “:” "

debug error: C:\xampp\htdocs\veterinaria\models\ConsultaGrid.php(1657): syntax error, unexpected ‘=’

Fixed, sorry … syntax error(CurrentPageID() == “add” || CurrentPageID() == “edit”) ? “UserLevel = ‘-2’‘-1’‘0’” : “”