repo_zf1/documentation/manual/en/module_specs/Zend_Mail-CharacterSets.xml

<?xml version="1.0" encoding="UTF-8"?>
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<sect1 id="zend.mail.character-sets">
    <title>Character Sets</title>
    <para>
        <classname>Zend_Mail</classname> does not check for the correct character set of the mail parts. When
        instantiating <classname>Zend_Mail</classname>, a charset for the e-mail itself may be given. It defaults to
        <code>iso-8859-1</code>. The application has to make sure that all parts added to that mail object
        have their content encoded in the correct character set. When creating a new mail part, a different
        charset can be given for each part.
    </para>
    <note>
        <title>Only in text format</title>
        <para>
            Character sets are only applicable for message parts in text format.
        </para>
    </note>

    <example id="zend.mail.character-sets.cjk">
        <title>Usage in CJK languages</title>

        <para>
            The following example is how to use <classname>Zend_Mail</classname> in Japanese. This is one of
            <acronym>CJK</acronym> (aka <acronym>CJKV</acronym> ) languages. If you use Chinese, you may use
            <acronym>HZ-GB-2312</acronym> instead of <acronym>ISO-2022-JP</acronym>.
        </para>

        <programlisting language="php"><![CDATA[
//We suppose that character encoding of strings is UTF-8 on PHP script.
function myConvert($string) {
    return mb_convert_encoding($string, 'ISO-2022-JP', 'UTF-8');
}

$mail = new Zend_Mail('ISO-2022-JP');
//In this case, You can use ENCODING_7BIT because the ISO-2022-JP does not use MSB.
$mail->setBodyText(myConvert('This is the text of the mail.'), null, Zend_Mime::ENCODING_7BIT);
$mail->setHeaderEncoding(Zend_Mime::ENCODING_BASE64);
$mail->setFrom('somebody@example.com', myConvert('Some Sender'));
$mail->addTo('somebody_else@example.com', myConvert('Some Recipient'));
$mail->setSubject(myConvert('TestSubject'));
$mail->send();
]]></programlisting>

    </example>

</sect1>
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