//返回当前的毫秒时间戳(无小数)
function msectime() {
list($msec, $sec) = explode(' ', microtime());
return (float)sprintf('%.0f', (floatval($msec) + floatval($sec)) * 1000);
}
//返回当前的毫秒时间戳(有小数)
function msectime() {
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
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