iconv_substr() gives "Unknown error" when string length = 1"

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

[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!

[2006-07-06 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.