com php-src: Add list of reserved classes to UPGRADING: UPGRADING

Commit: 685ccd61c2f53b5c629d7d11346e37723a948972 Author: Nikita Popov <nikic@php.net> Wed, 15 Apr 2015 22:37:51 +0200 Parents: 5c214fc10ddc640549b0a703a4bf9a8f38f2d8a2 Branches: master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=685ccd61c2f53b5c629d7d11346e37723a948972 Log: Add list of reserved classes to UPGRADING Changed paths: M UPGRADING Diff: diff --git a/UPGRADING b/UPGRADING index 8cd1cde..1722b72 100644 --- a/UPGRADING +++ b/UPGRADING @@ -375,6 +375,28 @@ Other language changes Note that this only applies to calls from an incompatible context. If class B extended from A the call would be allowed without any notices. +* It is no longer possible to use the following class, interface and trait names + (case-insensitive): + + bool + int + float + string + null + false + true + + This applies to class/interface/trait declarations, class_alias() and use + statements. + + Furthermore the following class, interface and trait names are now reserved + for future use, but do not yet throw an error when used: + + resource + object + mixed + numeric + * The yield language construct no longer requires parentheses when used in an expression context. It is now a right-associative operator with precedence between the "print" and "=>" operators. This can result in different behavior