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| -rw-r--r-- | UPGRADING | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -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 |