//计算小时数
		$timediff =1563928200 - 1563925800;
	    $remain = $timediff%86400;
	    $hours = intval($remain/3600);
	    //计算分钟数
	    $remain = $remain%3600;
	    $mins = intval($remain/60);
	    //计算秒数
	    $secs = $remain%60;
	    //$res = array("day" => $days,"hour" => $hours,"min" => $mins,"sec" => $secs);
	    if($hours){$hours = "{$hours}时";}else{ $hours='';}
        if($mins){  $mins = "{$mins}分";}else{ $mins='';}
        if($secs){  $secs = "{$secs}秒";}else{ $secs='';}
        $replaytime = $hours.$mins.$secs;
        echo $replaytime;
	    exit;