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Request #31058 array_change_key_case recursive option
Submitted: 2004-12-10 21:53 UTC Modified: 2021-02-23 15:32 UTC
Votes:7
Avg. Score:4.1 ± 1.1
Reproduced:7 of 7 (100.0%)
Same Version:4 (57.1%)
Same OS:5 (71.4%)
From: veeeee at gmail dot com Assigned: cmb (profile)
Status: Wont fix Package: Arrays related
PHP Version: 5.0.2 OS:
Private report: No CVE-ID: None
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 [2004-12-10 21:53 UTC] veeeee at gmail dot com 
Description:
------------
It would be quite handy were there an option (optional 3rd parameter) to array_change_key_case so that it would recurse into multi-dimensional arrays so one would not need to create work arounds such as:

function ack_r($array, $case) 
{
  $array = array_change_key_case($array, $case);
  foreach ($array as $key => $value) {
    if ( is_array($value) ) {
      $array[$key] = ack_r($value, $case);
    }
  }
  return $array;
}

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 [2010-09-24 10:27 UTC] aharvey@php.net
-Package: Feature/Change Request +Package: *General Issues
 [2010-09-24 10:27 UTC] aharvey@php.net 
Re-requested in request #52917.
 [2010-09-24 17:52 UTC] luis dot pessoa67 at ibest dot com dot br 
another way to do it:

    function ack_r3(&$array, $case=CASE_LOWER, $flag_rec=false) 
    {
      $array = array_change_key_case($array, $case);
      if ( $flag_rec ) {
        foreach ($array as $key => $value) {
            if ( is_array($value) ) {
                ack_r3($array[$key], $case, true);
            }
        }
      }
    }

note that: ack_r3($array, $case, false) <=> array_change_key_case($array, $case)
 [2018-02-11 17:52 UTC] cmb@php.net
-Package: *General Issues +Package: Arrays related
 [2021-02-23 15:32 UTC] cmb@php.net
-Status: Open +Status: Wont fix -Assigned To: +Assigned To: cmb
 [2021-02-23 15:32 UTC] cmb@php.net 
I don't see much point in adding this feature to php-src, since it
can trivially be implemeted in userland code, and there doesn't
appear to big downside in doing so.

If anybody still feels strongly about this, please pursue the RFC
process[1].

[1] <https://wiki.php.net/rfc/howto>
 
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