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PHP Programming quiz, level Basics, question 16
Question: Comments in your PHP
Answer 1: Should be used liberally to help anyone who has to read your program at a later date understand how it works
This was the CORRECT answer
Answer 2: Should be used, but sparsley - if you have a lot of them, they'll have a significant effect on the bandwidth of your server
Answer 3: Should be avoided if at all possible, but you might occasionally use them during development to leave a reminder for yourself of work that's still to be done before your program gets released into a production environment.

This was a question from our quiz ... but we have now provided you with the answer (above) - we prefer to provide you with information rather than to puzzle you.
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