I’d have expected ${$b} to be ‘a’ but it is ‘b’, why is this the case?
$a = "b";
$b = "a";
Sorry again I forgot to put ${$b} produces “b”
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I’d have expected ${$b} to be ‘a’ but it is ‘b’, why is this the case?
$a = "b";
$b = "a";
Sorry again I forgot to put ${$b} produces “b”
The variable variable expression
${$b}takes the value of$bfor the variable name. So${$b}evaluates to${"a"}that is equivalent to$athat then evaluates to"b".