56 lines
1.6 KiB
PHP
56 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of SwiftMailer.
|
|
* (c) 2004-2009 Chris Corbyn
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
/**
|
|
* Handles Base64 (B) Header Encoding in Swift Mailer.
|
|
*
|
|
* @author Chris Corbyn
|
|
*/
|
|
class Swift_Mime_HeaderEncoder_Base64HeaderEncoder extends Swift_Encoder_Base64Encoder implements Swift_Mime_HeaderEncoder
|
|
{
|
|
/**
|
|
* Get the name of this encoding scheme.
|
|
* Returns the string 'B'.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName()
|
|
{
|
|
return 'B';
|
|
}
|
|
|
|
/**
|
|
* Takes an unencoded string and produces a Base64 encoded string from it.
|
|
*
|
|
* If the charset is iso-2022-jp, it uses mb_encode_mimeheader instead of
|
|
* default encodeString, otherwise pass to the parent method.
|
|
*
|
|
* @param string $string string to encode
|
|
* @param int $firstLineOffset
|
|
* @param int $maxLineLength optional, 0 indicates the default of 76 bytes
|
|
* @param string $charset
|
|
*
|
|
* @return string
|
|
*/
|
|
public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0, $charset = 'utf-8')
|
|
{
|
|
if ('iso-2022-jp' === strtolower($charset)) {
|
|
$old = mb_internal_encoding();
|
|
mb_internal_encoding('utf-8');
|
|
$newstring = mb_encode_mimeheader($string, $charset, $this->getName(), "\r\n");
|
|
mb_internal_encoding($old);
|
|
|
|
return $newstring;
|
|
}
|
|
|
|
return parent::encodeString($string, $firstLineOffset, $maxLineLength);
|
|
}
|
|
}
|