Bug #54616 [NEW]: in_array return true if the haystack contain 0

From: Date: Wed, 27 Apr 2011 21:45:25 +0000
Subject: Bug #54616 [NEW]: in_array return true if the haystack contain 0
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-160401@lists.php.net to get a copy of this message 
From:             
Operating system: win, linux
PHP version:      5.2.17
Package:          Unknown/Other Function
Bug Type:         Bug
Bug description:in_array return true if the haystack contain 0

Description:
------------
The in_array function return true if the haystack have an element with
value 0

Test script:
---------------
if (in_array('something', array(0)) ) {
	echo 'something is in array';
} else {
	echo 'something is NOT in array';
}


if (in_array('something', array(0, 'element1', 'element2')) ) {
	echo 'something is in array';
} else {
	echo 'something is NOT in array';
}


Expected result:
----------------
something is NOT in array

Actual result:
--------------
something is in array

-- 
Edit bug report at http://bugs.php.net/bug.php?id=54616&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=54616&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=54616&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=54616&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=54616&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54616&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=54616&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=54616&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=54616&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=54616&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=54616&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=54616&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=54616&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=54616&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=54616&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=54616&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=54616&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=54616&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=54616&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=54616&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=54616&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=54616&r=mysqlcfg

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