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Bug #37773 iconv_substr() gives "Unknown error" when string length = 1"
Submitted: 2006-06-10 00:01 UTC Modified: 2006-11-15 18:35 UTC
From: dave at dgx dot cz Assigned:
Status: Closed Package: ICONV related
PHP Version: 5.1.4 OS:
Private report: No CVE-ID: None
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From: dave at dgx dot cz
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 [2006-06-10 00:01 UTC] dave at dgx dot cz 
Description:
------------
(Similar to bug #34757).

When input string length = 1, iconv_substr() produces "Unknown error (0)" and returns FALSE.

Reproduce code:
---------------
$s = 'x';
$s = iconv_substr($s, 0, 1, 'UTF-8');

var_dump($s);

Expected result:
----------------
string(1) "x"



Actual result:
--------------
bool(false)


and Notice: iconv_substr() [function.iconv-substr.html]: Unknown error (0) in ...

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 [2006-06-10 00:03 UTC] dave at dgx dot cz 
Of course, title is: iconv_substr() gives "Unknown error" when string length = 1" 

Operating system: Windows XP.

It is not my error - bugs.php.net has bugs!
 [2006-06-12 10:40 UTC] tony2001@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip
 [2006-06-12 14:59 UTC] nlopess@php.net 
http://mega.ist.utl.pt/~ncpl/php_bug_37773.txt

the patch removes a strange 'switch (errno)' that I don't really know why it was there and adds a check for _php_iconv_appendl()
 [2006-07-06 02:41 UTC] moriyoshi@php.net 
The switch clause is needed so that illegal multibyte occurrences would be detected per specification. I'm going to look into this one.
 [2006-11-15 18:35 UTC] iliaa@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.
 
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