From:             
Operating system: Linux
PHP version:      5.3.3
Package:          Arrays related
Bug Type:         Bug
Bug description:array_intersect_ukey does not check all keys

Description:
------------
The array_intersect_ukey() function appears to have an invalid algorithm
for 

iterating over array keys to be passed to the user function.  A simple test
case 

that implements the same behavior as array_intersect_key() illustrates the
bug.

Test script:
---------------
<?php

function func($key1, $key2) {

  if ($key1 == $key2) {

    return 0;

  }

  return 1;

} 



$all = array('cat' => 'brown',

  'dog' => 'yellow',

  'mouse' => 'grey',

  'horse' => 'white'

);



$keep = array('dog' => 1, 'horse' => 1);



// Output of the following should be identical

print_r(array_intersect_key($all, $keep));

print_r(array_intersect_ukey($all, $keep, 'func'));

?>

Expected result:
----------------
Array

(

    [dog] => yellow

    [horse] => white

)

Array

(

    [dog] => yellow

    [horse] => white

)

Actual result:
--------------
Array

(

    [dog] => yellow

    [horse] => white

)

Array

(

)

-- 
Edit bug report at http://bugs.php.net/bug.php?id=52867&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=52867&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=52867&r=trysnapshot53
Try a snapshot (trunk):              
http://bugs.php.net/fix.php?id=52867&r=trysnapshottrunk
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=52867&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=52867&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=52867&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=52867&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=52867&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=52867&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=52867&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=52867&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=52867&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=52867&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=52867&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=52867&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=52867&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=52867&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=52867&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=52867&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=52867&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=52867&r=mysqlcfg

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