Doc #73770 [NEW]: Truth table errors
| From: | rjhdby@php.net | Date: | Sat, 17 Dec 2016 09:12:21 +0000 |
| Subject: | Doc #73770 [NEW]: Truth table errors | ||
| Groups: | php.doc.bugs | ||
| Request: | Send a blank email to doc-bugs+get-14248@lists.php.net to get a copy of this message | ||
From: rjhdby@php.net
Operating system:
PHP version: Irrelevant
Package: Documentation problem
Bug Type: Documentation Problem
Bug description:Truth table errors
Description:
------------
---
From manual page: http://www.php.net/function.variant-imp
---
Truth table for bitwise implication is not correct.
Must be
If left is If right is then the result is
TRUE TRUE TRUE
TRUE FALSE TRUE >> FALSE
TRUE NULL TRUE >> FALSE
FALSE TRUE TRUE
FALSE FALSE TRUE
FALSE NULL TRUE
NULL TRUE TRUE
NULL FALSE NULL >> TRUE
NULL NULL NULL >> TRUE
--
Edit bug report at https://bugs.php.net/bug.php?id=73770&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73770&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73770&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73770&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=73770&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=73770&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=73770&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=73770&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=73770&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=73770&r=support
Expected behavior: https://bugs.php.net/fix.php?id=73770&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=73770&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=73770&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=73770&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73770&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=73770&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=73770&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=73770&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=73770&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=73770&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=73770&r=mysqlcfg