test.php

<?php
header('Access-Control-Allow-Origin: *');
header('Cache-Control: private');
header('Pragma: no-cache');
Header('Connection: Keep-Alive');
Header('Proxy-Connection: Keep-Alive');
Header('Content-Type: application/json;charset=UTF-8');

// generate 2k garbage data
foreach (range(0, 2048) as $key => $value) {
	echo " ";
}

while (true) {
	echo json_encode(array(
		'status' => true,
		'message' => 'Hello World!!'
	));
	ob_flush();
	flush();
	sleep(1);
}