function isset_header($str = null, $name = null, $value = null, $debug = null)
{
if (!FUNC4::is_debug($debug)) {
$debug = debug_backtrace();
}
$err = array();
if (!(is_string($str) && $str != '')) {
$err[] = 'invalid header type';
}
if (!(is_string($name) && $name != '')) {
$err[] = 'invalid name type';
}
if ($value != null && !is_string($value)) {
$err[] = 'invalid value type';
}
if (count($err) > 0) {
FUNC4::trace($debug, implode(', ', $err));
} else {
$ret = false;
if ($split = MIME4::split_header($str, $debug)) {
foreach ($split as $tarr) {
foreach ($tarr as $hname => $hvalue) {
if (strtolower($hname) == strtolower($name)) {
if ($value != null) {
$ret = strtolower($hvalue) == strtolower($value);
} else {
$ret = $hvalue;
}
if ($ret) {
break 2;
break;
}
}
}
}
}
}
return $ret;
}
function _content($str = null, $debug = null)
{
if (!FUNC4::is_debug($debug)) {
$debug = debug_backtrace();
}
if (!(is_string($str) && $str != '')) {
FUNC4::trace($debug, 'invalid content value');
} else {
if (!($part = MIME4::split_message($str, $debug))) {
return null;
}
if (!($harr = MIME4::split_header($part['header'], $debug))) {
return null;
}
$body = array();
$clen = strlen('content-');
$encoding = false;
foreach ($harr as $hnum) {
if (substr(strtolower($hnum['name']), 0, $clen) == 'content-') {
$name = strtolower(substr($hnum['name'], $clen));
if ($name == 'transfer-encoding') {
$encoding = strtolower($hnum['value']);
} else {
if ($name == 'id') {
$body[$name] = array('value' => trim($hnum['value'], '<>'), 'extra' => $hnum['content']);
} else {
$body[$name] = array('value' => $hnum['value'], 'extra' => $hnum['content']);
}
}
}
}
if ($encoding == 'base64' || $encoding == 'quoted-printable') {
$body['content'] = MIME4::decode_content($part['content'], $encoding, $debug);
} else {
if ($encoding) {
$body['transfer-encoding'] = $encoding;
}
$body['content'] = $part['content'];
}
if (substr($body['content'], -2) == "\r\n") {
$body['content'] = substr($body['content'], 0, -2);
} else {
if (substr($body['content'], -1) == "\n") {
$body['content'] = substr($body['content'], 0, -1);
}
}
return $body;
}
}
