Progress bar AJAX and PHP

Question

I want to create a progress bar for a server-side task ( written in php )

For learning purposes the example and task would be very simplistic. I would have a te

Answer 1

Here is the solution to made progress bar in PHP without javascript only on server side:

 echo "
Start... 
";
 for ($i = 0; $i<20; $i++){
    echo '
';
    ob_flush();
    flush();
    usleep(100000);
 }
 echo "
 Done!
.";
 ob_end_flush();exit;