AuthError show auth error.

CheckLetter correct letter.

DeleteCookie func.

DisplayTemplate function.

FileByte func for convert receive file - to fileByte.

IsAuth check user now authorized system ?.

IsCookie check user cookie client and DB session value, if true -> give access.

IsCookieExpiration if cookie time = 0, delete session and cookie client.

IsEmailValid function.

IsImage func.

IsPasswordValid function.

IsRegistered func.

SetCommentNotify func by PostID.

SetVoteNotify func.

UpdateVoteNotify func.

URLChecker function.

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