$srcNamePos = strrpos( $thumbPart, $fileName );
if ( $srcNamePos === false || $srcNamePos < 1 ) {
throw new UploadStashBadPathException(
$srcNamePos = strrpos( $thumbPart, $fileName );
if ( $srcNamePos === false || $srcNamePos < 1 ) {
throw new UploadStashBadPathException(