ob_flush, does it cause data to be sent over the wire immediately?

[Tolas Anon]

Hi..

For my curl_exec problem,
http://readlist.com/lists/lists.php.net/php-general/16/81195.html
http://curl.haxx.se/mail/lib-2011-02/0101.html

I need to know if this simple test will cause data to be sent every 25
seconds _over the wire_.

<?php
set_time_limit (0);
error_reporting (E_ALL);
for ($i=0; $i<((3600+1800)/25); $i++) {
        echo '.';
        ob_flush();
        sleep (25);
};
echo "wanted-data";
?>

reason; i just can't get my media import routines that only send
sporadic status messages to work for big video files.
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