Show results while script is still executing

Question

Right now in order to see the results, I have to wait until the entire code is done executing. It hangs until it\'s complete and stays loading. Once it\'s finished it shows

Answer 1

This one worked for me: (source)

function output($str) {
    echo $str;
    ob_end_flush();
    ob_flush();
    flush();
    ob_start();
}