I\'ve been reading about SQL injection attacks and how to avoid them, although I can never seem to make the \"awful\" examples given work, e.g. see this post
Parameters passed to sql queries from the web pages ofen tend to be numeric IDs. For example let's assume you have an url http://foo.com/page.php?section=34 from which the section ID is used in a query like this:
SELECT content FROM sections WHERE section_id=$section;
No quotes to escape like in your example and whatever you'll put after the number in the URL will be passed to the query... So thew risk is real.