Strings::toAscii returns empty string

[hranicka]

When I run a PHP 7.0.3 CLI (Debian linux) application over SSH where I use Strings::webalize internally, I get empty strings as results in my nette-based app.

A found that problem is in Strings::toAscii implementation which is called from Strings::webalize.

Everything seems fine until iconv (glibc) call, this line.

Transliterator converts string correctly but iconv removes all of them.

When I replace iconv('UTF-8', 'WINDOWS-1250//TRANSLIT//IGNORE', $s) with iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $s), I get an output (but incorrect, with a question mark (?) instead of some characters).

The line with iconv has error supressing @. So I get no error. When I remove it, I get PHP Notice: iconv(): Wrong charset, conversion from UTF-8 to WINDOWS-1250//TRANSLIT//IGNORE is not allowed.

Testing string: Koupil pojišťovnu a chce převrátit v Česku pojišťovnictví naruby, but same behaviour with everything. Output is an empty string also when input are ASCII characters only.

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Maybe, in my CLI there is something wrong with php.ini configuration. Am I first who have this problem? Is the call of iconv correct?

Thank you for help.

[hranicka]

php.ini:

iconv support => enabled
iconv implementation => glibc
iconv library version => 2.19
iconv.input_encoding => no value => no value
iconv.internal_encoding => no value => no value
iconv.output_encoding => no value => no value

nette/utils v2.3.8
nette/application v2.3.12

[hranicka]

It seem that the problem is only on chrooted ssh accounts.
There php iconv works unexpected. Maybe related to https://bugs.php.net/bug.php?id=44096 (/usr/lib/gconv access).

Is the iconv call necessary when \Transliterator is available?

[xificurk]

Is the iconv call necessary when \Transliterator is available?

Yes, it is... see #26 (comment)

[hranicka]

@xificurk Thank you very much. Ok, iconv is required.

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This issue is with chrooted accounts only and bad configuration.
It's not a bug in Nette\Utils.

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I've fixed configuration on the server.
If you have the same problem and you have Jailkit on Linux, maybe helps this.

When I run iconv -l for non-chrooted account, I get large list of charsets.
But when I run it on chrooted account, I get only a few charsets.

So the problem is that iconv has no access for all charsets. Iconv in PHP nor system.

Edit Jailkit config like this:

# /etc/jailkit/jk_init.ini

[php]
comment = the php interpreter and libraries
executables = /usr/bin/php
directories = /usr/local/php
includesections = iconv # require iconv section for PHP

[iconv]
executables = /usr/bin/iconv # this is not required, but may helps with debug (i.e. iconv -l)
directories = /usr/lib/x86_64-linux-gnu/gconv # may be only /usr/lib/gconv

And reinit existing domains like this:

jk_init -c /etc/jailkit/jk_init.ini -f -k -j /var/www/clients/client1/web1 php

That's all, folks.