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Bug #36329 0 as second key in array causes false equality in foreach
Submitted: 2006-02-08 05:53 UTC Modified: 2006-02-08 09:03 UTC
From: tbielawa at definitivellc dot com Assigned:
Status: Not a bug Package: Arrays related
PHP Version: * OS: *
Private report: No CVE-ID: None
 [2006-02-08 05:53 UTC] tbielawa at definitivellc dot com
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



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 [2006-02-08 09:03 UTC] helly@php.net
Thank you for taking the time to write to us, but this is not
a bug. Please double-check the documentation available at
http://www.php.net/manual/ and the instructions on how to report
a bug at http://bugs.php.net/how-to-report.php

.
 
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