Anyone is here whon knows Variable Variables ???

Question

With PHP, you can use one variable to specify another variable's name.
So, a variable variable treats the value of another variable as its name.

I have read all Tutorial of Variable Variables in SL but I want to further can anyone explain it

Answer 1

$a = "b";
$a = "c";
echo $b;
........

Answer 2

$a = "b";
$b = "c";
echo $a; // c

Answer 3

you are correct @rose

Answer 4

@Vishnu ks
Guess we're both correct ,my example is just more simple to get:)