PHP :: Bug #39685

PHP :: Bug #39685 :: iconv()

Bug #39685	iconv() - undefined function
Submitted:	2006-11-29 16:02 UTC	Modified:	2009-10-21 10:20 UTC
From:	dinumarina at gmail dot com	Assigned:	bjori (profile)
Status:	Closed	Package:	ICONV related
PHP Version:	5.2.0	OS:	Slackware
Private report:	No	CVE-ID:	None

[2006-11-29 16:02 UTC] dinumarina at gmail dot com

Description:
------------
I'm using PHP 5.0.2 compiled from source. Configure command:

'./configure' '--prefix=/usr' '--disable-static' '--with-apxs=/usr/local/apache/bin/apxs' '--sysconfdir=/etc' '--enable-discard-path' '--with-config-file-path=/etc/apache' '--with-openssl' '--enable-bcmath' '--with-bz2' '--with-pic' '--enable-calendar' '--enable-ctype' '--with-gdbm' '--with-imap-ssl=/tmp/pine4.58/imap/c-client' '--with-imap=/tmp/pine4.58/imap/c-client' '--enable-dbase' '--enable-ftp' '--with-iconv' '--with-exif' '--with-gd' '--enable-gd-native-ttf' '--with-jpeg-dir=/usr' '--with-png' '--with-gmp' '--with-xml=shared,/usr' '--with-gettext=shared,/usr' '--enable-trans-sid' '--enable-shmop' '--enable-sockets' '--with-regex=php' '--enable-sysvsem' '--enable-sysvshm' '--enable-yp' '--enable-memory-limit' '--with-tsrm-pthreads' '--enable-shared' '--disable-debug' '--with-zlib=/usr' '--with-kerberos' '--with-mysql' 

The iconv appears functional in php -i and phpinfo():
iconv support  enabled  
iconv implementation  glibc  
iconv library version  2.3.2  

But php seems to miss on the function iconv(), although it finds the function iconv_substr. I saw this bug was addressed in php 5.0.x, but now it seems to strike back again and I didn't find a report for 5.2.

Reproduce code:
---------------
<?php
	iconv_substr();
	iconv();
?>

Expected result:
----------------
Warning: iconv_substr() expects at least 2 parameters, 0 given in /home/belvedai/public_html/test/iconv.php on line 2

Warning: iconv() expects at least 3 parameters, 0 given in /home/belvedai/public_html/test/iconv.php on line 3


Actual result:
--------------
Warning: iconv_substr() expects at least 2 parameters, 0 given in /home/belvedai/public_html/test/iconv.php on line 2

Fatal error: Call to undefined function iconv() in /home/belvedai/public_html/test/iconv.php on line 3

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[2006-11-29 16:03 UTC] dinumarina at gmail dot com

Don't mind the type on the 1st description line - it's php 5.2.0 not 5.0.2 :)

[2006-11-29 16:09 UTC] tony2001@php.net

What kind of iconv implementation is installed on your machine?
What do you see with `cat main/php_config.h | grep ICONV` ?

[2006-11-29 16:20 UTC] dinumarina at gmail dot com

I tried with both glibc and libiconv-1.9.2; same result. Also when trying with '--with-iconv=/root/libiconv-1.9.2/lib/.libs/' php -i still reports using glibc.

cat main/php_config.h | grep ICONV
#define HAVE_LIBICONV 1
/* #undef HAVE_GICONV_H */
#define HAVE_LIBICONV 1
#define HAVE_ICONV 1
#define PHP_ICONV_IMPL "glibc"
/* #undef HAVE_BSD_ICONV */
#define PHP_ICONV_IMPL "glibc"
#define HAVE_GLIBC_ICONV 1
#define PHP_ICONV_IMPL "glibc"
#define ICONV_SUPPORTS_ERRNO 1
#define ICONV_SUPPORTS_ERRNO 1
#define ICONV_SUPPORTS_ERRNO 1
#define PHP_ICONV_H_PATH </usr/local/include/iconv.h>
/* #undef COMPILE_DL_ICONV */
#define HAVE_LIBICONV 1
/* #undef HAVE_GICONV_H */
#define HAVE_LIBICONV 1
#define HAVE_ICONV 1

[2006-11-29 16:25 UTC] tony2001@php.net

Well, it looks like for some reason you have BOTH glibc and libiconv installed, and that is expected to cause problems.
And this: --with-iconv=/root/libiconv-1.9.2/lib/.libs/ is completely wrong.
Each time when configure expects <DIR>, it expects installation prefix, i.e. the value of --prefix=<DIR> used when configuring the library.
Please uninstall libiconv (you don't need it as long as you're using Linux, as you have glibc), remove config.cache and try again without the value for --with-iconv option.

[2006-11-29 16:29 UTC] dinumarina at gmail dot com

Problem is, glibc implementation of iconv() seems to miss out on //TRANSLIT, that's why I'm trying to use libiconv. Is there any chance php will work with libiconv?

[2006-11-29 16:43 UTC] tony2001@php.net

Sure. Install it properly into separate location and specify its prefix in configure.

[2006-11-29 16:50 UTC] dinumarina at gmail dot com

Done:
Installed libiconv 1.9 in /opt/iconv

rm config.cache

'./configure' '--prefix=/usr' '--disable-static' '--with-apxs=/usr/local/apache/bin/apxs' '--sysconfdir=/etc' '--enable-discard-path' '--with-config-file-path=/etc/apache' '--with-openssl' '--enable-bcmath' '--with-bz2' '--with-pic' '--enable-calendar' '--enable-ctype' '--with-gdbm' '--with-imap-ssl=/tmp/pine4.58/imap/c-client' '--with-imap=/tmp/pine4.58/imap/c-client' '--enable-dbase' '--enable-ftp' '--with-iconv=/opt/iconv' '--with-exif' '--with-gd' '--enable-gd-native-ttf' '--with-jpeg-dir=/usr' '--with-png' '--with-gmp' '--with-xml=shared,/usr' '--with-gettext=shared,/usr' '--enable-trans-sid' '--enable-shmop' '--enable-sockets' '--with-regex=php' '--enable-sysvsem' '--enable-sysvshm' '--enable-yp' '--enable-memory-limit' '--with-tsrm-pthreads' '--enable-shared' '--disable-debug' '--with-zlib=/usr' '--with-kerberos' '--with-mysql' '--with-iconv-dir=/opt/iconv'

still the same result, iconv() undefined... also from what I can make of ./configure, it will search for glibc iconv and if found it will use it regardless of --with-iconv= value? And anyway, the problem was there before installing libiconv, when there was only glibc... it still gave undefined function for iconv.

[2006-11-29 17:15 UTC] dinumarina at gmail dot com

Update: I just compiled php 5.0.4 with exactly the same options and it works, I also have an 5.1.2 running with iconv, so I think the problem appeared somewhere between 5.1.2 and 5.2.0

[2006-11-29 17:24 UTC] dinumarina at gmail dot com

Update 2: CentOs 3.8 with php 5.1.2 and iconv() scripts working... compiled 5.2.0, inconv() undefined!

[2006-11-29 17:35 UTC] dinumarina at gmail dot com

I did read it, but it didn't help alot, I had 2 different servers that were running php 5.0.4 and 5.1.2 and iconv() worked fine, now I have 2 servers with 5.2.0 and no iconv... well, don't mind me, I'll just go back to 5.1.2 and wait until the bug gets fixed.

[2006-11-29 17:56 UTC] tony2001@php.net

There is nothing to fix, except for a headers mess in your system. And I told you exactly how to do it.
Please install libiconv to a separate location, remove config.cache and rebuild PHP.

[2006-12-07 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".

[2006-12-20 10:39 UTC] bjori@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.