How to protect some cells in excel file using PHPExcel?

Question

excel

Hello everyone, people, can you tell me how to protect some cells in the generated excel document so that they cannot be edited?
I'm trying to do this:

$sheet->protectCells('A' . $sheet->getHighestRow(), $password);

( It blocks every line for me)
This code doesn't work .
$sheet->getProtection()->setSheet(true);

Answer 1

Greetings.
I have a similar situation, are you our solution?