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can anyone give a hint?  Go to the PHP 0816 challenge

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can anyone give a hint?
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* Set the text file to show.
* Sanitize Get Parameter.
* Only allow 3 different files by whitelist at the moment.
* TODO: broken ?!? people can see other files ! Sad

what does it mean?

can anyone give a hint?
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RE: can anyone give a hint?
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It seems you are asking for a lot of hints today. Not being able to solve a challenge right away doesn't mean you need a hint. Take your time. Try to understand every bit. Research what you don't understand. Research what you think you do understand. And again. Do something else for a while and then come back to try again.

Consider challenges as not needing hints. You need a hint? You need to research!
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