list($msec, $sec) = explode(' ', microtime());
$msectime = (float)sprintf('%.0f', (floatval($msec)) * 1000);
dump(date('YmdHis').'--'.$msectime);
list($msec, $sec) = explode(' ', microtime());
$msectime = (float)sprintf('%.0f', (floatval($msec)) * 1000);
dump(date('YmdHis').'--'.$msectime);