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<?php
/*=====http://hi.csdn.net/yinyiniao=====*/
$fp=fopen("cs.txt","w");
for($i=0;$i<170400;$i++){
fwrite($fp,"bandwidth");
}
fclose($fp);
/*=====http://hi.csdn.net/yinyiniao=====*/
?>
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 <?php
/*=====http://hi.csdn.net/yinyiniao=====*/
function mymicrotime(){
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
$data=file_get_contents("cs.txt");
$start=mymicrotime();
$fsize=filesize("cs.txt")/1024;
//echo $fsize."kb<br>";
echo "<!--".$data."-->";
$stop=mymicrotime();
$duration=($stop-$start);
//echo $duration."s<br>";
$speed=round($fsize/$duration,2);
echo "Your network speed:$speed KB/sec";
?>


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