<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.utf8-encode">
 <refnamediv>
  <refname>utf8_encode</refname>
  <refpurpose>Encodes an ISO-8859-1 string to UTF-8</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>utf8_encode</methodname>
   <methodparam><type>string</type><parameter>data</parameter></methodparam>
  </methodsynopsis>
  <para>
   This function converts the string <parameter>data</parameter> from the
   <literal>ISO-8859-1</literal> encoding to <literal>UTF-8</literal>.
  </para>
  <note>
   <para>
    Many web pages marked as using the <literal>ISO-8859-1</literal> character
    encoding actually use the similar <literal>Windows-1252</literal> encoding,
    and web browsers will interpret <literal>ISO-8859-1</literal> web pages as
    <literal>Windows-1252</literal>. <literal>Windows-1252</literal> features
    additional printable characters, such as the Euro sign
    (<literal>€</literal>) and curly quotes (<literal>“</literal>
    <literal>”</literal>), instead of certain <literal>ISO-8859-1</literal>
    control characters. This function will not convert such
    <literal>Windows-1252</literal> characters correctly. Use a different
    function if <literal>Windows-1252</literal> conversion is required.
   </para>
  </note>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>data</parameter></term>
     <listitem>
      <para>
       An ISO-8859-1 string.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the UTF-8 translation of <parameter>data</parameter>.
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>7.2.0</entry>
       <entry>
        This function has been moved to the core of PHP, and therefore lifting the requirement 
        on the XML extension for this function to be available.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>utf8_decode</function> - Performs the reverse conversion</member>
    <member><function>mb_convert_encoding</function> - Converts between various character encodings, including UTF-8, ISO-8859-1 and Windows-1252</member>
    <member><function>iconv</function> - Converts between various character encodings</member>
    <member><function>recode_string</function> - Converts between various character encodings</member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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