How to make progress bar with jQuery and PHP while waiting server process?

Question

It used to be easy to find solutions of my problem when Google gives many accurate results that point to Stackoverflow. But, I didn\'t found one for this problem. If any of

Answer 1

You can output javascript from your long running script:

while(doThings()) {
    echo '
';
    flush();
}

I personaly use bootstrap: http://getbootstrap.com/components/#progress