enabling echo in real time flushing buffer.

echo_in_loop.php

<?php
// Turn off output buffering
ini_set('output_buffering', 'off');
// Turn off PHP output compression
ini_set('zlib.output_compression', false);

//Flush (send) the output buffer and turn off output buffering
while(@ob_end_flush());

// Implicitly flush the buffer(s)
ini_set('implicit_flush', true);
ob_implicit_flush(true);

// Needed to force browsers to actually display data
echo str_pad("",1024," ");
echo "<br />";
	

ob_implicit_flush(true);



for($i=1; $i<=10; $i++){
	//if wants to clear screen
	//ob_end_clean();
	echo "$i ...<br>";
	sleep(1);
}


?>