What framework does the DISCUZ forum use to develop? Solutions

What framework does the DISCUZ forum use to develop?
Have not contacted Discuz, also did not use PHP framework to develop.
So want to self-study, do not know discuz is what frame, can combine to learn the best.
If you don't have anything else to recommend, thank you.

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I want to know, too.
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It's definitely their own frame.
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discuz! BBS, is a high performance, comprehensive, secure and stable community forum platform based on many other databases such as PHP and MySQL, and is the first Community forum (BBS) software in the world market share.
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Discuz useless frame, purely artificial handwritten accumulation.
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Explore

Reference:

Discuz useless frame, purely artificial handwritten accumulation.

Pour ...
That's it.
Does the predecessor have anything to recommend AH combine to do feel save time

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Discuz with Smarty changed, just template non-frame.
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Changed the frame of someone else.

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