> Hi Ashim, > > These are called Variable Variables. Ideally they should be avoided, > as they introduce unnecessary legibility issues. > > This is what it does in a nutshell, it's actually quite simple: > > $foo = 'bar'; > $bar = 'foobar'; > echo $$foo; //This prints foobar > > What it does is, take the value of $foo (which is 'bar') and if a > variable exists by that name, it will go forth and print the value of > $bar; In this case foobar. >
Alright Russel, Thank you, Ashim.
