addition of is_countable() is_countable($foo) // instead of $foo instanceof Countable || is_array($foo) • array_key_first(), array_key_last() 7.3 release sometime between Nov-Dec Links * https:/ /wiki.php.net/rfc * https:/ /twitter.com/phprfcbot * https:/ /php-rfc-watch.beberlei.de/