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<?php
?header('Content-type:?text/html;?charset=utf8');

$start?=?current_time();
$i?=?0;
$arr?=?range(1,?200000);
while?($i?<?200000)?{
	++$i;
	isset($arr[$i]);
	//array_key_exists($i?,?$arr);
}
$end?=?current_time();
echo?"Lost?Time:?".?number_format($end?-?$start,3)*1000;
echo?"\n";
function?current_time(){
	echo?microtime();
	list(?$usec?,$sec)?=?explode("?",?microtime());
	echo?"|";
	echo?$usec;
	echo?$sec;
	return?((float)$usec?+?(float)$sec);
}
?>