High-score Solution for PHP problems

High-score Solution for PHP problem
Implementation function: In the PHP a page to define a global $aaa variable, you need to use the value of the variable $aaa on the PHP b page, how to solve.

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B include A .... Can I? Or is it enough to pass the value? Or a cookie? Session?
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See what you can do. If it's a 2.
Page as long as require or include is good.
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In addition to session, Cookie, get, post can say no other way:
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Session/cookies.
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Explore

In addition to session, Cookie, get, post can say no other way:

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The scope of the variable,

Any variable outside of the class, function, is a $global variable!

There are also system super global variables. $_get, $_post, that sort of thing. Has global scope!
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You have to do this with a cookie or a session.
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Include or require.
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Session Cookie global variable

Give me some points, thanks.

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