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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<reference id="ref.idn">
<title>IDN functions</title>
<titleabbrev>IDN</titleabbrev>
<partintro>
<section id="idn.intro">
&reftitle.intro;
<para>
Lots of information about IDN can be found at
</para>
<itemizedlist>
<listitem>
<para>
<ulink url="&url.idn.verisign;">VeriSign IDN SDK</ulink>
</para>
</listitem>
<listitem>
<para>
<ulink url="&url.idn.jpnic;">JPNIC idnkit</ulink>
</para>
</listitem>
<listitem>
<para>
<ulink url="&url.idn.python;">Python IDNA</ulink>
</para>
</listitem>
<listitem>
<para>
<ulink url="&url.idn.ibm.icu;">IBM ICU</ulink>
</para>
</listitem>
<listitem>
<para>
<ulink url="&url.idn.imc.idna.pl;">IMC idna.pl</ulink>
</para>
</listitem>
</itemizedlist>
</section>
<section id="idn.requirements">
&reftitle.required;
<para>
You will need to get and compile the IDN libraries from
either <ulink url="&url.idn.gnu;">GNU IDN Library
</ulink> or <ulink url="&url.idn.josefsson;">
Simon Josefsson</ulink> to compile PHP with IDN support.
</para>
</section>
&reference.idn.configure;
&reference.idn.ini;
<section id="idn.resources">
&reftitle.resources;
&no.resource;
</section>
<section id="idn.constants">
&reftitle.constants;
&no.constants;
</section>
<section id="idn.examples">
&reftitle.examples;
<para>
Convert the string rksmrgs.josefon.org to a value that can
be used in the DNS system.
</para>
<example>
<title>IDN conversion example</title>
<programlisting role="php">
<![CDATA[
<?php
echo idn_to_ascii('rksmrgs.josefon.org', 'ISO-8859-1');
?>
]]>
</programlisting>
</example>
<para>
Convert the string xn--rksmrgs-5wao1o.josefsson.org (that was the
result from the example above) to a value that is UTF-8 encoded
(ie, with international characters).
</para>
<example>
<title>IDN conversion example</title>
<programlisting role="php">
<![CDATA[
<?php
echo idn_to_utf8('xn--rksmrgs-5wao1o.josefsson.org, 'ISO-8859-1');
?>
]]>
</programlisting>
</example>
</section>
<section id="idn.using">
<title>Using the PHP IDN calls</title>
<para>
Before you can use the IDN calls you will need to know ..
<itemizedlist>
<listitem>
<para>
What charset you will convert from. If not specified in the call
to the function, this defaults to ISO-8859-1.
</para>
</listitem>
</itemizedlist>
</para>
</section>
</partintro>
&reference.idn.functions;
</reference>
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-->
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