break;
 case "login_SEL":
     $validate = new validate();
     $data = $validate->login();
     $function = new functions();
     $data = $function->login_SEL($mysqli);
     break;
 case "service_SEL":
     $validate = new validate();
     $data = $validate->services_sel();
     $function = new functions();
     $data = $function->service_SEL($mysqli);
     break;
 case "service_INS":
     $validate = new validate();
     $data = $validate->services_ins();
     $function = new functions();
     $data = $function->service_INS($mysqli);
     break;
 case "category_SEL":
     $validate = new validate();
     $data = $validate->category_sel();
     $function = new functions();
     $data = $function->category_SEL($mysqli);
     break;
 case "category_INS":
     $validate = new validate();
     $data = $validate->category_ins();
     $function = new functions();
     $data = $function->category_INS($mysqli);
     break;