BasicStreamingPHPExample.php

<?php
header('Content-Type:text/text');

// Disable the Nginx output buffering
header('X-Accel-Buffering: no');

ob_implicit_flush(true);
ob_end_flush();

ini_set('output_buffering', false);

for ($i = 1; $i <= 5; $i++) {
    echo "$i\n";

    @ob_end_flush();
    @flush();

    sleep(2);
}