what is a variable with two $ sign ? $$ myVar

Question

I've seen $$var in a php test for a job interview. I was wondering what was it ..

Thanks

It's a variable variable: http://www.php.net/manual/en/language.variables.variable.php — Mark Baker, Apr 10 '13 at 16:40
[Manual](http://de3.php.net/manual/en/language.variables.variable.php), [Duplicate 1](http://stackoverflow.com/questions/2715654/what-does-mean-in-php), [Duplicate 2](http://stackoverflow.com/questions/4169882/what-is-in-php), [Duplicate 3](http://stackoverflow.com/questions/4891872/function-and-variable) — Kermit, Apr 10 '13 at 16:41

score 1 · Answer 1 · answered Apr 10 '13 at 16:41

1

Variable variables - check the link out!

answered Apr 10 '13 at 16:41

sark9012

score 0 · Answer 2 · answered Apr 10 '13 at 16:40

0

This will refer to the value of particular variable.

Eg :

$test = "Hi";

$var  = "test";

Now $$var will display "Hi"

answered Apr 10 '13 at 16:40

Edwin Alex

score 0 · Accepted Answer · answered Apr 10 '13 at 16:41

0

$var = 'something';
$$var = 'lol';

echo $something will output "lol"

it's a variable variable.

answered Apr 10 '13 at 16:41

Kai Qing

3 Answers3