====== PHP RFC: Reserve keywords in PHP 8 ======
  * Date: 2020-06-13
  * Author: Ilija Tovilo <tovilo.ilija@gmail.com>
  * Status: Withdrawn
  * First Published at: https://wiki.php.net/rfc/reserve_keywords_in_php_8

===== Proposal =====
This RFC proposes adding new keywords to PHP 8 to avoid BC breaks in future PHP 8.x versions.

  * ''enum'' (''reserved_non_modifiers'')

===== Keyword type explanation =====
==== reserved_non_modifiers ====

Keywords marked as ''reserved_non_modifiers'' will be disallowed in the following contexts:

  * namespaces
  * class names
  * function names
  * global constants

===== Vote =====
...