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Bug #43998 Two error messages returned for incorrect encoding for mb_strto[upper|lower]
Submitted: 2008-01-31 16:09 UTC Modified: 2008-02-26 01:00 UTC
Votes:1
Avg. Score:3.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: jmessa@php.net Assigned: hirokawa (profile)
Status: No Feedback Package: mbstring related
PHP Version: 5.2CVS-2008-01-31 (snap) OS: Windows XP SP2
Private report: No CVE-ID: None
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 [2008-01-31 16:09 UTC] jmessa@php.net 
Description:
------------
When an incorrect or unknown encoding is passed to mb_strto[upper|lower] two error messages are returned which both are warning about the same thing.
In some cases, one error message is returned as well as an upper/lowercased string, but this behaviour is not documented.

Reproduce code:
---------------
<?php
$sourcestring = 'Hello, World';

$inputs = array(12345, 12.3456789000E-10, true, false, "");
$iterator = 1;
foreach($inputs as $input) {
  echo "\n-- Iteration $iterator --\n";
  var_dump( mb_strtolower($sourcestring, $input) );
  var_dump( mb_strtoupper($sourcestring, $input) );
  $iterator++;
};

?>

Expected result:
----------------
Only one error message should be returned for iterations 1-3

Actual result:
--------------
-- Iteration 1 --

Warning: mb_strtolower(): Illegal character encoding specified in ...\mb_strtolower.php on line 8

Warning: mb_strtolower(): Unknown encoding "12345" in ...\mb_strtolower.php on line 8
bool(false)

Warning: mb_strtoupper(): Illegal character encoding specified in ...\mb_strtolower.php on line 9

Warning: mb_strtoupper(): Unknown encoding "12345" in ...\mb_strtolower.php on line 9
bool(false)

-- Iteration 2 --

Warning: mb_strtolower(): Illegal character encoding specified in ...\mb_strtolower.php on line 8

Warning: mb_strtolower(): Unknown encoding "1.23456789E-9" in ...\mb_strtolower.php on line 8
bool(false)

Warning: mb_strtoupper(): Illegal character encoding specified in ...\mb_strtolower.php on line 9

Warning: mb_strtoupper(): Unknown encoding "1.23456789E-9" in ...\mb_strtolower.php on line 9
bool(false)

-- Iteration 3 --

Warning: mb_strtolower(): Illegal character encoding specified in ...\mb_strtolower.php on line 8

Warning: mb_strtolower(): Unknown encoding "1" in ...\mb_strtolower.php on line 8
bool(false)

Warning: mb_strtoupper(): Illegal character encoding specified in ...\mb_strtolower.php on line 9

Warning: mb_strtoupper(): Unknown encoding "1" in ...\mb_strtolower.php on line 9
bool(false)

-- Iteration 4 --

Warning: mb_strtolower(): Illegal character encoding specified in ...\mb_strtolower.php on line 8
string(12) "hello, world"

Warning: mb_strtoupper(): Illegal character encoding specified in ...\mb_strtolower.php on line 9
string(12) "HELLO, WORLD"

-- Iteration 5 --

Warning: mb_strtolower(): Illegal character encoding specified in ...\mb_strtolower.php on line 8
string(12) "hello, world"

Warning: mb_strtoupper(): Illegal character encoding specified in ...\mb_strtolower.php on line 9
string(12) "HELLO, WORLD"

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 [2008-01-31 17:04 UTC] nicholsr@php.net 
Assign to extension maintainer
 [2008-02-16 12:01 UTC] hirokawa@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows (zip):
 
  http://snaps.php.net/win32/php5.3-win32-latest.zip

For Windows (installer):

  http://snaps.php.net/win32/php5.3-win32-installer-latest.msi
 [2008-02-18 14:20 UTC] jmessa@php.net 
I've run the above example on the latest 5.2 and 5.3 snapshots and it's
behaving as I expected now. Thanks for making the change!
 [2008-02-26 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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