On Wed, Mar 13, 2013 at 5:10 PM, Sebastian Krebs <krebs....@gmail.com>wrote:
> Because 'null' is the representation of "nothing" array_key_exists() and > isset() can be treated as semantically equivalent. As I said, these functions return different results for null values. It won't matter for Angela since she isn't storing null in the array, though. Peace, David
