/**
* Creates a document from a MIME string.
*
* Note this currently only supports a single level of MIME - no nesting.
*
* @param $documentString
* @return MimeDocument
*/
public static function fromString($documentString)
{
$document = new MimeDocument($documentString);
$lines = explode("\n", $documentString);
$boundary = false;
$nextPartLines = [];
$firstBoundaryFound = false;
$mimeMessage = "";
foreach ($lines as $line) {
$line = trim($line);
if (!$boundary) {
if (preg_match("/Content-Type: (multipart\\/.+);\\s+boundary=\"([^\"]+)\"/", $line, $match)) {
$document->boundary = $match[2];
$document->setContentType($match[1]);
$boundary = $match[2];
continue;
}
} else {
if ($line == "--" . $boundary . "--") {
$part = MimePart::fromLines($nextPartLines);
$document->addPart($part);
break;
}
if ($line == "--" . $boundary) {
if (!$firstBoundaryFound) {
$firstBoundaryFound = true;
} else {
$part = MimePart::fromLines($nextPartLines);
$document->addPart($part);
$nextPartLines = [];
}
} else {
if ($firstBoundaryFound) {
$nextPartLines[] = $line;
} else {
$mimeMessage .= $line . "\r\n";
}
}
}
}
$document->setMessage(trim($mimeMessage));
return $document;
}