php引用，在wordpress主题中
$getroot=$_SERVER[‘DOCUMENT_ROOT’];
require_once(“$getroot/countstart.php”);
1 function getIpAddress() { // 取得当前用户的IP地址
2 $ip = '127.0.0.1';
3 if(isset($_SERVER)){
4 if(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
5 $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
6 }else if(isset($_SERVER["HTTP_CLIENT_IP"])) {
7 $ip = $_SERVER["HTTP_CLIENT_IP"];
8 }else{
9 $ip = $_SERVER["REMOTE_ADDR"];
10 }
11 }else{
12 if(getenv("HTTP_X_FORWARDED_FOR")){
13 $ip = getenv("HTTP_X_FORWARDED_FOR");
14 }else if(getenv("HTTP_CLIENT_IP")) {
15 $ip = getenv("HTTP_CLIENT_IP");
16 }else{
17 $ip = getenv("REMOTE_ADDR");
18 }
19 }
20 return $ip;
21 }
22 function writeover($filename, $data, $method = 'w', $chmod = 0) {
23 $handle = fopen ( $filename, $method );
24 ! handle && die ( "文件打开失败" );
25 flock ( $handle, LOCK_EX );
26 fwrite ( $handle, $data );
27 flock ( $handle, LOCK_UN );
28 fclose ( $handle );
29 $chmod && @chmod ( $filename, 0777 );
30 }
31 function count_online_num($time, $ip) {
32 $fileCount = './count.txt';
33 $count = 0;
34 $gap = 900; // 15分钟页面不刷新清空对应IP
35 if (! file_exists ( $fileCount )) {
36 $str = $time . "\t" . $ip . "\r\n";
37 writeover ( $fileCount, $str, 'w', 1 );
38 $count = 1;
39 } else {
40 $arr = file ( $fileCount );
41 $flag = 0;
42 foreach ( $arr as $key => $val ) {
43 $val = trim ( $val );
44 if ($val != "") {
45 list ( $when, $seti ) = explode ( "\t", $val );
46 if ($seti == $ip) {
47 $arr [$key] = $time . "\t" . $seti;
48 $flag = 1;
49 } else {
50 $currentTime = time ();
51 if ($currentTime - $when > $gap) {
52 unset ( $arr [$key] );
53 } else {
54 $arr [$key] = $val;
55 }
56 }
57 }
58 }
59 if ($flag == 0) {
60 array_push ( $arr, $time . "\t" . $ip );
61 }
62 $count = count ( $arr );
63 $str = implode ( "\r\n", $arr );
64 $str .= "\r\n";
65 writeover ( $fileCount, $str, 'w', 0 );
66 unset ( $arr );
67 }
68 return $count;
69 }
70 $time = time ();
71 $ip = getIpAddress ();
72 $online_num = count_online_num ( $time, $ip );
73 echo $online_num;
javascript引用：
<script src="count.php"></script>
1 class minicount
2 {
3 var $dataPth;
4 function __construct($dataPth = "minidata/")
5 {
6 $this->dataPath = $dataPth;
7 }
8 //解决PHP4不支持__construct问题
9 function minicount($dataPth = "minidata/")
10 {
11 $this->dataPath = $dataPth;
12 }
13 function diplay($format="a%t%y%m%l%"){
14 //echo $format;
15 $this->updateCount($this->dataPath.$this->getMainFileName()); //更新总流量
16 $this->updateCount($this->dataPath.$this->getTodayFileName()); //更新今天流量
17 $this->updateCount($this->dataPath.$this->getMonthFileName()); //更新今月流量
18 $search = array("'a%'i",
19 "'t%'i",
20 "'y%'i",
21 "'m%'i",
22 "'l%'i",
23 );
24 $replace = array($this->getCount($this->dataPath.$this->getMainFileName()),
25 $this->getCount($this->dataPath.$this->getTodayFileName()),
26 $this->getCount($this->dataPath.$this->getYesterdayFileName()),
27 $this->getCount($this->dataPath.$this->getMonthFileName()),
28 $this->getCount($this->dataPath.$this->getLastMonthFileName())
29 );
30 echo preg_replace ($search, $replace, $format);
31 }
32 function updateCount($f)
33 {
34 //echo $this->dataPath;
35 $handle = fopen($f, "a+") or die("找不到文件");
36 $counter = fgets($handle,1024);
37 $counter = intval($counter);
38 $counter++;
39 fclose($handle);
40 //写入统计
41 $handle = fopen($f, "w") or die("打不开文件");
42 fputs($handle,$counter) or die("写入失败");
43 fclose($handle);
44 }
45 function getCount($f)
46 {
47 $handle = fopen($f, "a+") or die("找不到文件");
48 $counter = fgets($handle,1024);
49 $counter = intval($counter);
50 fclose($handle);
51 return $counter;
52 }
53 function getMainFileName()
54 {
55 return "counter.txt";
56 }
57 function getYesterdayFileName()
58 {
59 return "day/".date("Ymd",strtotime('-1 day')).".txt";
60 }
61 function getTodayFileName()
62 {
63 return "day/".date("Ymd").".txt";
64 }
65 function getMonthFileName()
66 {
67 return "month/".date("Ym").".txt";
68 }
69 function getLastMonthFileName()
70 {
71 return "month/".date("Ym",strtotime('-1 month')).".txt";
72 }
73 }
74 //require_once(dirname(__FILE__)."/count.php");
75 $c = new minicount(dirname(__FILE__)."/countdata/");
76 $filename = dirname(__FILE__)."/countdata/online.txt"; //数据文件
77 $cookiename = 'VGOTCN_OnLineCount'; //cookie名称
78 $onlinetime = 1800; //在线有效时间，单位：秒 (即1800等于30分钟)
79 $online = file($filename);
80 $nowtime = time();
81 $nowonline = array();
82 foreach($online as $line) {
83 $row = explode('|',$line);
84 $sesstime = trim($row[1]);
85 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) {
86 $fline = $fuid.'|'.$ftime."\n";
87 @fputs($fp,$fline);
88 }
89 flock($fp,LOCK_UN);
90 fclose($fp);
91 }
92 }
提示，获取IP方法：
1 function get_client_ip($type = 0) {
2 $type = $type ? 1 : 0;
3 static $ip = NULL;
4 if ($ip !== NULL) return $ip[$type];
5 if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
6 $arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
7 $pos = array_search('unknown',$arr);
8 if(false !== $pos) unset($arr[$pos]);
9 $ip = trim($arr[0]);
10 }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
11 $ip = $_SERVER['HTTP_CLIENT_IP'];
12 }elseif (isset($_SERVER['REMOTE_ADDR'])) {
13 $ip = $_SERVER['REMOTE_ADDR'];
14 }
15 // IP地址合法验证
16 $long = sprintf("%u",ip2long($ip));
17 $ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
18 return $ip[$type];
19 }
