/**
* @return bool
*/
function IsMimePartTextBody()
{
if ($this->Headers == null || $this->Headers->Count() == 0) {
return true;
}
$contType = strtolower($this->GetContentType());
$contDist = $this->GetDisposition();
if (!$contType) {
return false;
}
$contentTypeHeader = new HeaderParameterCollection($contType);
$contentDispositionHeader = $contDist ? new HeaderParameterCollection($contDist) : null;
if ($contentDispositionHeader) {
$attach = $contentDispositionHeader->GetByName(MIMEConst_AttachmentLower);
$filename = $contentDispositionHeader->GetByName(MIMEConst_FilenameLower);
} else {
$attach = $filename = null;
}
$name = $contentTypeHeader ? $contentTypeHeader->GetByName(MIMEConst_NameLower) : null;
if ($attach != null || $filename != null || $name != null) {
return false;
}
$filenameVal = $filename ? $filename->Value : '';
$nameVal = $name ? $name->Value : '';
if (strlen($filenameVal) != 0 || strlen($nameVal) != 0) {
return false;
}
if (strpos($contType, MIMETypeConst_TextHtml) !== false || strpos($contType, MIMETypeConst_TextPlain) !== false) {
return true;
}
return false;
}