error code registration page

This code is to a registration page looks great, but again I get an error message after you typed the following code (below is the error message).I can not understand what is the error and how it should be the correct code?Codice mysql per fare dei test (aggiungiamo un utente)INSERT INTO users (id, username, password, online, email, active, rtime) VALUES(1, ‘testing’, ‘testing’, 0, ‘’, 0, 0);...Read more