Typecho之奇淫技巧~

//在线人数
function online_users() {
    $filename='online.txt'; //数据文件
    $cookiename='Nanlon_OnLineCount'; //Cookie名称
    $onlinetime=30; //在线有效时间
    $online=file($filename); 
    $nowtime=$_SERVER['REQUEST_TIME']; 
    $nowonline=array(); 
    foreach($online as $line){ 
        $row=explode('|',$line); 
    $sesstime=trim($row[1]); 
    if(($nowtime - $sesstime)<=$onlinetime){
        $nowonline[$row[0]]=$sesstime;
    } 
} 
if(isset($_COOKIE[$cookiename])){
    $uid=$_COOKIE[$cookiename]; 
}else{
    $vid=0;
    do{
        $vid++; 
        $uid='U'.$vid; 
    }while(array_key_exists($uid,$nowonline)); 
    setcookie($cookiename,$uid); 
} 
$nowonline[$uid]=$nowtime;
$total_online=count($nowonline); 
if($fp=@fopen($filename,'w')){ 
    if(flock($fp,LOCK_EX)){ 
        rewind($fp); 
        foreach($nowonline as $fuid=>$ftime){ 
            $fline=$fuid.'|'.$ftime."\n"; 
            @fputs($fp,$fline); 
        } 
        flock($fp,LOCK_UN); 
        fclose($fp); 
    } 
} 
echo "$total_online"; 
}

<li class="list-group-item"> <i class="glyphicon glyphicon-user text-muted text-muted"></i> <span class="badge pull-right"><?php echo online_users() ?></span><?php _me("在线人数") ?></li>

//总访问量
function theAllViews()
{
    $db = Typecho_Db::get();
    $row = $db->fetchAll('SELECT SUM(VIEWS) FROM `typecho_contents`');
    echo number_format($row[0]['SUM(VIEWS)']);
}

<li class="list-group-item text-second"><span class="blog-info-icons"> <i data-feather="user"></i></span><span class="badge pull-right"><?php echo theAllViews();?></span><?php _me("访客总数") ?></li>

//响应耗时
function timer_start() {
    global $timestart;
    $mtime = explode( ' ', microtime()  );
    $timestart = $mtime[1] + $mtime[0];
    return true; 
}
timer_start();
function timer_stop( $display = 0, $precision = 3  ) {
    global $timestart, $timeend;
    $mtime = explode( ' ', microtime()  );
    $timeend = $mtime[1] + $mtime[0];
    $timetotal = number_format( $timeend - $timestart, $precision  );
    $r = $timetotal < 1 ? $timetotal * 1000 . " ms" : $timetotal . " s";
    if ( $display  ) {
        echo $r;
    }
    return $r;
}

<li class="list-group-item text-second"><span class="blog-info-icons"> <i data-feather="clock"></i></span> <span class="badge pull-right"><?php echo timer_stop();?></span><?php _me("响应耗时") ?></li>