On Mon, May 14, 2001 at 09:32:05AM -0400, lkeeton wrote:
[snip]
> how does it take place. For instance in this example I pass 5 it then gets to
> the line below and evaluates value = 5 * factorial(5-1)-> right there that
> tells me to call the function again and pass it 4 then when I get to the line
> right below me $value = 4 * factorial(4-1). I don't see where the actual
> calculation takes place 5 * 4 * 3 * 2 = 120. Everytime a number gets passed I
> feel that somehow what I have done before is gone. Can somebody walk me
> through this very carefully so I can see what is really going on.
This is far from a MySQL question. Try a perl forum, or any
algorithm's manual.
You need to understand the basics of recursion before you can
understand that bit of code.
Greetz, Peter.
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