/**
* Encode header fields
*
* Encodes header content according to RFC1522 if it contains non-printable
* characters.
*
* @param string $value
* @return string
*/
protected function _encodeHeader($value)
{
if (Zend_Mime::isPrintable($value)) {
return $value;
} elseif ($this->_encodingOfHeaders === Zend_Mime::ENCODING_QUOTEDPRINTABLE) {
$quotedValue = Zend_Mime::encodeQuotedPrintable($value);
$quotedValue = str_replace(array('?', ' ', '_'), array('=3F', '=20', '=5F'), $quotedValue);
return '=?' . $this->_charset . '?Q?' . $quotedValue . '?=';
} elseif ($this->_encodingOfHeaders === Zend_Mime::ENCODING_BASE64) {
return '=?' . $this->_charset . '?B?' . Zend_Mime::encodeBase64($value) . '?=';
} else {
/**
* @todo 7Bit and 8Bit is currently handled the same way.
*/
return $value;
}
}
public function testBase64()
{
$content = str_repeat("И™ѓњ)И™ѓњ)И™ѓ", 4);
$encoded = Zend_Mime::encodeBase64($content);
$this->assertEquals($content, base64_decode($encoded));
}
public function testBase64()
{
$content = str_repeat("\x88\xAA\xAF\xBF\x29\x88\xAA\xAF\xBF\x29\x88\xAA\xAF", 4);
$encoded = Zend_Mime::encodeBase64($content);
$this->assertEquals($content, base64_decode($encoded));
}