php-doc-en/reference/mbstring/functions/mb-convert-encoding.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-convert-encoding" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>mb_convert_encoding</refname>
  <refpurpose>Convert character encoding</refpurpose>
 </refnamediv>
   
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>mb_convert_encoding</methodname>
   <methodparam><type>string</type><parameter>str</parameter></methodparam>
   <methodparam><type>string</type><parameter>to_encoding</parameter></methodparam>
   <methodparam choice="opt"><type>mixed</type><parameter>from_encoding</parameter></methodparam>
  </methodsynopsis>
  <para>
   Converts the character encoding of <type>string</type> <parameter>str</parameter>
   to <parameter>to_encoding</parameter>
   from optionally <parameter>from_encoding</parameter>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>str</parameter></term>
     <listitem>
      <para>
       The <type>string</type> being encoded.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>to_encoding</parameter></term>
     <listitem>
      <para>
       The type of encoding that <parameter>str</parameter> is being converted to.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>from_encoding</parameter></term>
     <listitem>
      <para>
       Is specified by character code names before conversion. It is either
       an <type>array</type>, or a comma separated enumerated list.
       If <parameter>from_encoding</parameter> is not specified, the internal 
       encoding will be used.
       <!-- link to internal encoding info -->
      </para>
      <para>
       <!-- can the meaning of auto be altered? -->
       "<literal>auto</literal>" may be used, which expands to 
       <emphasis>"ASCII,JIS,UTF-8,EUC-JP,SJIS"</emphasis>.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The encoded <type>string</type>.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>mb_convert_encoding</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
/* Convert internal character encoding to SJIS */
$str = mb_convert_encoding($str, "SJIS");

/* Convert EUC-JP to UTF-7 */
$str = mb_convert_encoding($str, "UTF-7", "EUC-JP");

/* Auto detect encoding from JIS, eucjp-win, sjis-win, then convert str to UCS-2LE */
$str = mb_convert_encoding($str, "UCS-2LE", "JIS, eucjp-win, sjis-win");

/* "auto" is expanded to "ASCII,JIS,UTF-8,EUC-JP,SJIS" */
$str = mb_convert_encoding($str, "EUC-JP", "auto");
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
  
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mb_detect_order</function></member>
   </simplelist>
  </para>
 </refsect1>
 
</refentry>

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