From: jevon at jevon dot org
Operating system: Windows XP
PHP version: 5.1.1
PHP Bug Type: Scripting Engine problem
Bug description: isset() on ternary operator incorrectly evaluates conditions
Description:
------------
I'm not sure if this has been submitted before, because it's a bit
difficult to search for 'isset' on bugs.php.net.
Basically if you have isset() in a ternary operation (?:), PHP currently
evaluates all items in the operation, whereas it shouldn't. I guess this
is because isset() is a language construct.
Reproduce code:
---------------
<?php
$x = array();
if (isset($x[1]))
echo $x[1];
else
echo 0;
echo isset($x[1]) ? 0 : $x[1];
?>
Expected result:
----------------
0
0
Actual result:
--------------
0
PHP Notice: Undefined offset: 1 in test.php on line 8
--
Edit bug report at http://bugs.php.net/?id=35870&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=35870&r=trysnapshot44
Try a CVS snapshot (PHP 5.1):
http://bugs.php.net/fix.php?id=35870&r=trysnapshot51
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=35870&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=35870&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=35870&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=35870&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=35870&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=35870&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=35870&r=support
Expected behavior: http://bugs.php.net/fix.php?id=35870&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=35870&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=35870&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=35870&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=35870&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=35870&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=35870&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=35870&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=35870&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=35870&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=35870&r=mysqlcfg
