Dynamic access to a PHP array

Question

I tried to access with $this->$arrDataName[$key] on the element with the key $key from the array $this->$arrDataName. But PHP in

Answer 1

Let's assume your array is $this->arrDataName. You have a $key, so your object would be $this->arrDataName[$key].

If you want the contents of the variable which name is stored in $this->arrDataName[$key] you should do this:

arrDataName[$key]};
?>