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-rw-r--r--UPGRADING13
1 files changed, 13 insertions, 0 deletions
diff --git a/UPGRADING b/UPGRADING
index 7468ab6daf..edd55b4545 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.