protected function encodeWords(Swift_Mime_Header $header, $input, $usedLength = -1)
{
$value = '';
$tokens = $this->getEncodableWordTokens($input);
foreach ($tokens as $token) {
// See RFC 2822, Sect 2.2 (really 2.2 ??)
if ($this->tokenNeedsEncoding($token)) {
// Don't encode starting WSP
$firstChar = substr($token, 0, 1);
switch ($firstChar) {
case ' ':
case "\t":
$value .= $firstChar;
$token = substr($token, 1);
}
if (-1 == $usedLength) {
$usedLength = strlen($header->getFieldName() . ': ') + strlen($value);
}
$value .= $this->getTokenAsEncodedWord($token, $usedLength);
$header->setMaxLineLength(76);
// Forcefully override
} else {
$value .= $token;
}
}
return $value;
}