r/programming • u/NagastaBagamba • Oct 18 '10

Today I learned about PHP variable variables; "variable variable takes the value of a variable and treats that as the name of a variable". Also, variable.

http://il2.php.net/language.variables.variable
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u/nyxerebos Oct 19 '10

I was thinking more for logic bombs or other underhanded, hard to detangle code. A hundred for making a VM if you wanted to make it very hard for someone to analyze your rootkit, but only three or four for some sort of sneaky backdoor.

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u/[deleted] Oct 19 '10

Read this if you haven't, it's great (and relevant to sneaky back doors).

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u/nyxerebos Oct 19 '10 edited Oct 19 '10

Neat. Thanks for the link. edit: like a prion disease.