Possible Duplicate:
What does $$ mean in PHP?
Double dollar sign php
What is $$ in php. This question is asked in a recent interview for a web developer position. Thanks in advance!
Possible Duplicate:
What does $$ mean in PHP?
Double dollar sign php
What is $$ in php. This question is asked in a recent interview for a web developer position. Thanks in advance!
It's a variable variable:
Sometimes it is convenient to be able to have variable variable names. That is, a variable name which can be set and used dynamically.