com php-src: UPGRADING for Integer Semantics: UPGRADING

Commit: 16404d0cac820ccf0027e4cc3c15fa5573e75317 Author: Andrea Faulds <ajf@ajf.me> Sun, 21 Sep 2014 00:47:25 +0100 Parents: 12b15e5ca4ae7ebf6e50551a4c666ece97068074 Branches: master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=16404d0cac820ccf0027e4cc3c15fa5573e75317 Log: UPGRADING for Integer Semantics Changed paths: M UPGRADING Diff: diff --git a/UPGRADING b/UPGRADING index 7468ab6..edd55b4 100644 --- a/UPGRADING +++ b/UPGRADING @@ -21,6 +21,15 @@ PHP X.Y UPGRADE NOTES 1. Backward Incompatible Changes ======================================== +- Core + . Bitwise shifts by negative numbers of bits are disallowed (throws E_WARNING + and gives FALSE, like a division by zero). + . Left bitwise shifts by a number of bits beyond the bit width of an integer + will always result in 0, even on CPUs which wrap around. + . Right bitwise shifts by a number of bits beyond the bit width of an integer + will always result in 0 or -1 (depending on sign), even on CPUs which wrap + around. + - DBA . dba_delete() now returns false if the key was not found for the inifile handler, too. @@ -100,5 +109,9 @@ PHP X.Y UPGRADE NOTES 13. Other Changes ======================================== +- Core + . Instead of being undefined and platform-dependant, NaN and Infinity will + always be zero when casted to integer. + - Standard . call_user_method() and call_user_method_array() no longer exists.