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[2005-06-08 00:28 UTC] markus dot lervik at necora dot fi
Description:
------------
iconv_strlen seems to have a peculiar bug. It doesn't work when the string searched is less than three characters long (or an empty string), but reports
Notice: iconv_strlen() [function.iconv-strlen]: Unknown error (2) in /usr/local/apache/htdocs/test2.php on line 7
This is tested on PHP 5.0.3 and 5.1 from CVS (2005-06-07), tested with the built-in (glibc 2.3.3) iconv and libiconv 1.9.2 from gnu.org.
This problem doesn't seem to surface on my Debian 3.1 development server, but I get it on my SuSE 9.2 desktop.
I have tried to set the encodings with iconv_set_encoding() and I have tried to set the encoding as a parameter to iconv_strlen(), both produce the same error.
The other iconv-functions (iconv_strpos, iconv_substr, iconv_strrpos) work fine.
Since the iconv-functions do not seem to work from the commandline (produces an Unknown error(29)), I cannot get a proper strace (strace seems to say that iconv is trying to seek on /dev/pts/5, which apparently is impossible). It doesn't crash apache either, so I'm not sure where I'd grab the backtrace.
List of modules:
mle@linux:~> php -m
[PHP Modules]
bz2
ctype
curl
dom
exif
gd
iconv
libxml
openssl
pcre
PDO
pdo_sqlite
pgsql
posix
session
SimpleXML
soap
SPL
standard
tokenizer
wddx
xml
xmlrpc
xsl
zlib
[Zend Modules]
PHP version:
mle@linux:~> php --version
PHP 5.1.0-dev (cli) (built: Jun 7 2005 21:30:37) (DEBUG)
Copyright (c) 1997-2005 The PHP Group
Zend Engine v2.1.0-dev, Copyright (c) 1998-2004 Zend Technologies
configure line:
'./configure' '--with-apxs=/usr/local/apache/bin/apxs' '--with-openssl' '--with-curl' '--with-zlib' '--with-bz2' '--enable-exif' '--with-gd' '--with-pgsql=/usr' '--enable-soap' '--enable-wddx' '--without-sqlite' '--with-xmlrpc' '--with-xsl' '--with-jpeg-dir=/usr/local/' '--with-png-dir=/usr/local/' '--without-mysql' '--with-xslt-sablot' '--with-iconv=/usr/local/' '--enable-debug'
Reproduce code:
---------------
<?php
$x = iconv_strlen("");
var_dump($x);
?>
Expected result:
----------------
bool(false)
Actual result:
--------------
Notice: iconv_strlen() [function.iconv-strlen]: Unknown error (2) in /usr/local/apache/htdocs/test2.php on line 2
bool(false)
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Last updated: Sat Nov 01 09:00:01 2025 UTC |
My initial bug report regarded 5.0.3 and the latest HEAD from yesterday (2005-06-07). I do still get the same problem with latest 5.1 (php-src) from CVS (checked out just 15 minutes ago, 2005-06-08), both with the glibc-provided iconv and the external libiconv (version 1.9.2) <?php $a = iconv_strlen(""); var_dump($a); $b = iconv_strlen("a"); var_dump($b); $c = iconv_strlen("aa"); var_dump($c); $d = iconv_strlen("aaa"); var_dump($d); $e = iconv_strlen("aaaa"); var_dump($e); ?> Notice: iconv_strlen() [function.iconv-strlen]: Unknown error (2) in /usr/local/apache/htdocs/test2.php on line 2 bool(false) Notice: iconv_strlen() [function.iconv-strlen]: Unknown error (2) in /usr/local/apache/htdocs/test2.php on line 5 bool(false) Notice: iconv_strlen() [function.iconv-strlen]: Unknown error (2) in /usr/local/apache/htdocs/test2.php on line 8 bool(false) int(3) int(4)