check if value is both nil and empty
check if value is both nil and empty

techAPJ/onebox,billy3321/onebox,tarzan/onebox,aceofspades/onebox,aceofspades/onebox,discourse/onebox,riking/onebox,billy3321/onebox,techAPJ/onebox,tarzan/onebox,discourse/onebox,techAPJ/onebox,tarzan/onebox,fantasticfears/onebox,billy3321/onebox,aceofspades/onebox