function EncodeHeader($str, $position = 'text', $force = false)
{
if (!preg_match('/^4\\.4\\.[01]([^0-9]+|$)/', PHP_VERSION)) {
if (function_exists('mb_convert_encoding')) {
//Use mb_string extension if exists.
if ($this->needs_encode || $force) {
$encoded = mb_convert_encoding($str, _CHARSET, mb_detect_encoding($str));
$encoded = mb_encode_mimeheader($encoded, "ISO-2022-JP", "B", "\n");
} else {
$encoded = $str;
}
} else {
$encoded = parent::EncodeHeader($str, $position);
}
return $encoded;
} else {
//Following Logic are made for recovering PHP4.4.0 and 4.4.1 mb_encode_mimeheader() bug.
//TODO: If mb_encode_mimeheader() bug is fixed. Replace this to simple logic.
$encode_charset = strtoupper($this->CharSet);
if (function_exists('mb_convert_encoding')) {
//Using mb_string extension if exists.
if ($this->needs_encode || $force) {
$str_encoding = mb_detect_encoding($str, 'ASCII,' . $encode_charset);
if ($str_encoding == 'ASCII') {
// Return original if string from only ASCII chars.
return $str;
} else {
if ($str_encoding != $encode_charset) {
// Maybe this case may not occur.
$str = mb_convert_encoding($str, $encode_charset, $str_encoding);
}
}
$cut_start = 0;
$encoded = '';
$cut_length = floor((76 - strlen('Subject: =?' . $encode_charset . '?B?' . '?=')) / 4) * 3;
while ($cut_start < strlen($str)) {
$partstr = mb_strcut($str, $cut_start, $cut_length, $encode_charset);
$partstr_length = strlen($partstr);
if (!$partstr_length) {
break;
}
if ($encode_charset == 'ISO-2022-JP') {
//Should Adjust next cutting place for SO & SI char insertion.
if (substr($partstr, 0, 3) === chr(27) . '$B' && substr($str, $cut_start, 3) !== chr(27) . '$B') {
$partstr_length -= 3;
}
if (substr($partstr, -3) === chr(27) . '(B' && substr($str, $cut_start + $partstr_length - 3, 3) !== chr(27) . '(B') {
$partstr_length -= 3;
}
}
if ($cut_start) {
$encoded .= "\r\n\t";
}
$encoded .= '=?' . $encode_charset . '?B?' . base64_encode($partstr) . '?=';
$cut_start += $partstr_length;
}
} else {
$encoded = $str;
}
} else {
$encoded = parent::EncodeHeader($str, $position);
}
return $encoded;
}
}
function encodeHeader($str, $position = 'text', $force = false)
{
if (version_compare(PHP_VERSION, '4.4.1') > 0) {
if (function_exists('mb_convert_encoding')) {
//Use mb_string extension if exists.
if ($this->needs_encode || $force) {
$enc = mb_internal_encoding();
mb_internal_encoding('ISO-2022-JP');
$eol = $this->Mailer == 'mail' ? defined('XCUBE_MAILERLOCAL_MAIL_LE') ? XCUBE_MAILERLOCAL_MAIL_LE : "\r\n" : "\n";
// XXX: this for bugs in PHP mail() subject with linefeed handling
$encoded = mb_encode_mimeheader($str, 'ISO-2022-JP', 'B', $eol, 9);
// offset strlen("Subject: ") as 9
mb_internal_encoding($enc);
} else {
$encoded = $str;
}
} else {
$encoded = parent::EncodeHeader($str, $position);
}
return $encoded;
} else {
//Following Logic are made for recovering PHP4.4.0 and 4.4.1 mb_encode_mimeheader() bug.
//TODO: If mb_encode_mimeheader() bug is fixed. Replace this to simple logic.
$encode_charset = strtoupper($this->CharSet);
if (function_exists('mb_convert_encoding')) {
//Using mb_string extension if exists.
if ($this->needs_encode || $force) {
$str_encoding = mb_detect_encoding($str, 'ASCII,' . $encode_charset);
if ($str_encoding == 'ASCII') {
// Return original if string from only ASCII chars.
return $str;
} else {
if ($str_encoding != $encode_charset) {
// Maybe this case may not occur.
$str = mb_convert_encoding($str, $encode_charset, $str_encoding);
}
}
$cut_start = 0;
$encoded = '';
$cut_length = floor((76 - strlen('Subject: =?' . $encode_charset . '?B?' . '?=')) / 4) * 3;
while ($cut_start < strlen($str)) {
$partstr = mb_strcut($str, $cut_start, $cut_length, $encode_charset);
$partstr_length = strlen($partstr);
if (!$partstr_length) {
break;
}
if ($encode_charset == 'ISO-2022-JP') {
//Should Adjust next cutting place for SO & SI char insertion.
if (substr($partstr, 0, 3) === chr(27) . '$B' && substr($str, $cut_start, 3) !== chr(27) . '$B') {
$partstr_length -= 3;
}
if (substr($partstr, -3) === chr(27) . '(B' && substr($str, $cut_start + $partstr_length - 3, 3) !== chr(27) . '(B') {
$partstr_length -= 3;
}
}
if ($cut_start) {
$encoded .= "\r\n\t";
}
$encoded .= '=?' . $encode_charset . '?B?' . base64_encode($partstr) . '?=';
$cut_start += $partstr_length;
}
} else {
$encoded = $str;
}
} else {
$encoded = parent::EncodeHeader($str, $position);
}
return $encoded;
}
}