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Automatically warn against the use of mysql_* functions on Stack Overflow

I've seen several questions now where the code includes deprecated functions.

I'll use Mysql_ function for this example... The user posts a question with deprecated mysql_, and immediately several people respond with "don't use that, use PDO or Mysqli"...

Would it be useful to have Stackoverflow to search keywords and give a notice to the user that certain terms are no longer valid to save trouble? The notice would of course include an comprehensive explanation, along with links to better alternatives... I think this would save a lot of hassle.

Here are two recent examples I've seen:

MySQL select query, retrieve data from more than one column by typing more than one word in search bar

Is this PHP code SQL vulnerable?

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marked as duplicate by juergen d, Bart, Austin Henley, Shawn Chin, Toon Krijthe Jan 18 '13 at 19:46

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

@Bart Why is a question like this downvoted? Is it not useful? That guy got downvoted 11. – Growler Jan 18 '13 at 19:09
Downvotes on Meta are sometimes used to indicate disagreement. It is explained in this site's faq. Don't worry about it. meta.stackoverflow.com/faq#vote-differences – Bart Jan 18 '13 at 19:10

1 Answer 1

I don't think that it's Stack Overflow's job to assertively notify users about the current state of their programming language / context. The best way to handle this is is as it's currently done - posters providing tips/advice in comments and answers.

If a user has a question about best practices, they should write and ask a question (a constructive, focused, on-topic question).

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Fair enough. I thought it would be a good way to steer users in the right direction quicker, as well as filter out redundant questions to make room for unique and actually helpful questions. – Growler Jan 18 '13 at 19:15

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