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45.10. Character Sets

Zend_Mail does not check for the correct character set of the mail parts. When instantiating Zend_Mail, a charset for the e-mail itself may be given. It defaults to iso-8859-1. 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.

[Note] Only in text format

Character sets are only applicable for message parts in text format.

Example 45.11. Usage in CJK languages

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

//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();