php 进度条

<?php

header( 'Content-type: text/html; charset=utf-8' );

echo 'Begin ...<br />';

for( $i = 0 ; $i < 10 ; $i++ )

{

    echo $i . '<br />';

    flush();

    ob_flush();

    sleep(1);

}

echo 'End ...<br />';

?>