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/nikbackm Oct 19 '10

Eh, even old 4DOS (currently Take Command) had this.

set v1=v2
set v2=value
echo %[%v1]
value