Ok here you go
[hide]Ok to start off you want a url with a injection point like .php?id=1 then you want to put a ' after the injection point so it would look like this .php?id=1' then load the page with the ' at the end if you get an error like this You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''1'' LIMIT 1' at line 1 than it might be vulnerable to inject[/hide]