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$goods = $_SESSION['goods']; and $_SESSION['goods'] = $goods; What do these two codes mean? And what is the overall idea of buy.php?
韦小宝2018-02-11 11:09:11
These two pieces of code can be said to be the same
Why are they the same? No matter how I look at it, it’s different.
Isn't this equivalent to 1=a and a=1? This is the same truth
