From:             tbielawa at definitivellc dot com
Operating system: linix 2.6.6
PHP version:      5.1.2
PHP Bug Type:     Arrays related
Bug description:  0 as second key in array causes false equality in foreach

Description:
------------
combination of array with zero as the second key and foreach loop is
causing false equality.  See simple example below...




./configure --with-apxs=/work/st/daemons/apache/bin/apxs --disable-libxml
--prefix=/work/st/daemons/php --with-zlib --disable-dom
--disable-simplexml --disable-xml --disable-xmlreader --disable-xmlwriter
--without-pear




Reproduce code:
---------------
<?php /*>*/;
$value = 'T';
$options = array('T' => 'TBD', '0' => 'Level 0', 
                 '1' => 'Level 1', '2' => 'Level 2'
                 );

var_dump($options);
echo '<br>';
foreach($options as $val => $txt) {

  if($value == $val) {  
    echo "$value == $val<br>" ;
  }
}

?>

Expected result:
----------------
I expect to ONLY see T == T.

Actual result:
--------------
result is:

T == T
T == 0



-- 
Edit bug report at http://bugs.php.net/?id=36329&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=36329&r=trysnapshot44
Try a CVS snapshot (PHP 5.1): 
http://bugs.php.net/fix.php?id=36329&r=trysnapshot51
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=36329&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=36329&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=36329&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=36329&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=36329&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=36329&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=36329&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=36329&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=36329&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=36329&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=36329&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=36329&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=36329&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=36329&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=36329&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=36329&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=36329&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=36329&r=mysqlcfg

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