How does the dedecms Q & A system cancel credits and user login verification?

How does the dedecms Q & A system cancel credits and user login verification?
/*
Now I want to use dedecms for a q & A function. This function does not require users to log on and ask questions. Because credits are required during the problem, I have canceled both the credits and credits.
Find
Open the post. php tutorial file and find

If (! Isset ($ action) $ action = '';
If (empty ($ uid) & $ action! = 'Rate ')
{
Showmsgs ('no _ login', '../member/login. php? Gourl = ../ask /');
Exit;
}

If the code is filtered out, this is login verification, so that you do not need to log on to the system. The points are canceled below.
Find

$ Needscore = $ anonymous * 10 + $ reward;
If ($ scores <$ needscore)
{
Showmsgs ('noscore ','-1 ');
}

It will be okay to delete it, so that your dedecms can be logged on or directly published.

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