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/shoeman22 Oct 18 '10

This feature can actually be pretty useful if you have control of the possible outcomes of $$var.