I've seen $$var in a php test for a job interview. I was wondering what was it ..
Thanks
I've seen $$var in a php test for a job interview. I was wondering what was it ..
Thanks
This will refer to the value of particular variable.
Eg :
$test = "Hi";
$var = "test";
Now $$var
will display "Hi"
$var = 'something';
$$var = 'lol';
echo $something will output "lol"
it's a variable variable.