#37892 [NEW]: $obj != null is incorrectly evaluated
| From: | randy at rcs-comp dot com | Date: | Thu, 22 Jun 2006 18:29:05 +0000 |
| Subject: | #37892 [NEW]: $obj != null is incorrectly evaluated | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-98671@lists.php.net to get a copy of this message | ||
From: randy at rcs-comp dot com
Operating system: Win XP Pro
PHP version: 5CVS-2006-06-22 (snap)
PHP Bug Type: *General Issues
Bug description: $obj != null is incorrectly evaluated
Description:
------------
When evaluating an instantiated object with "!=" the result is incorreclty
returned as false;
Reproduce code:
---------------
echo phpversion();
class foo {
var $test;
}
$obj = new foo();
if( $obj != null ) {
echo "\n\ncorrect";
} else {
echo "\n\nnot correct";
}
Expected result:
----------------
D:\tmp>"c:\Program Files\PHP514\php.exe" obj_null.php
5.1.4
correct
Actual result:
--------------
D:\tmp>php obj_null.php
5.2.0-dev
not correct
--
Edit bug report at http://bugs.php.net/?id=37892&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37892&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=37892&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37892&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=37892&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=37892&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=37892&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=37892&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=37892&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=37892&r=support
Expected behavior: http://bugs.php.net/fix.php?id=37892&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=37892&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=37892&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=37892&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37892&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=37892&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=37892&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=37892&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=37892&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=37892&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=37892&r=mysqlcfg