/**
* Add a string as an attachment file with the mail
*
* @param string $contentString Content of the attachment file
* @param string $attachmentFileName Name of the attachment file
* @param string $mimeType [optional] Mime-type of the attachment file, default is null. If null will get from the given filename extension.
* @return Email Return current instance of Email
*/
public function addStringAttachment($contentString, $fileName, $mimeType = null)
{
if ($mimeType === null) {
$mimeType = File::getMimeTypeFrom($fileName);
}
$a['mimeType'] = $mimeType;
$a['name'] = $fileName;
$a['content'] = $contentString;
$this->_attachment[] = $a;
return $this;
}
