1if($cfg_notallowstr !='' && preg_match("#".$cfg_notallowstr."#i", $keyword))

2{

3    ShowMsg("你的搜索关键字中存在非法内容，被系统禁止！","-1");

4    exit();

5}

查看源码打印代码帮助

01function get_ip_data(){  

02$ip=file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".get_client_ip());

03    $ip = json_decode($ip);

04    if($ip->code){

05        return false;

06    }

07    $data = (array) $ip->data;

08    if($data['city']=='上海市' && !isCrawler()){

09       // exit('http://www.adminbuy.cn');

10  return true;

11          

12/*     header("location:".getenv("HTTP_REFERER")); // 返回其调用页面 */

13   

14    }

15}

16   

17function isCrawler() {

18        $spiderSite= array(

19                        "TencentTraveler",

20                        "Baiduspider+",

21                        "BaiduGame",

22                        "Googlebot",

23                        "msnbot",

24                        "Sosospider+",

25                        "Sogou web spider",

26                        "ia_archiver",

27                        "Yahoo! Slurp",

28                        "YoudaoBot",

29                        "Yahoo Slurp",

30                        "MSNBot",

31                        "Java (Often spam bot)",

32                        "BaiDuSpider",

33                        "Voila",

34                        "Yandex bot",

35                        "BSpider",

36                        "twiceler",

37                        "Sogou Spider",

38                        "Speedy Spider",

39                        "Google AdSense",

40                        "Heritrix",

41                        "Python-urllib",

42                        "Alexa (IA Archiver)",

43                        "Ask",

44                        "Exabot",

45                        "Custo",

46                        "OutfoxBot/YodaoBot",

47                        "yacy",

48                        "SurveyBot",

49                        "legs",

50                        "lwp-trivial",

51                        "Nutch",

52                        "StackRambler",

53                        "The web archive (IA Archiver)",

54                        "Perl tool",

55                        "MJ12bot",

56                        "Netcraft",

57                        "MSIECrawler",

58                        "WGet tools",

59                        "larbin",

60                        "Fish search",

61                );

62        if(in_array(strtolower($_SERVER['HTTP_USER_AGENT']),$spiderSite)){

63            return true;

64        }else{

65            return false;

66        }

67}

68   

69//获取客户端ip

70function get_client_ip()

71{

72    if (isset($_SERVER)){

73            if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){

74                $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];

75            } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {

76                $realip = $_SERVER["HTTP_CLIENT_IP"];

77            } else {

78                $realip = $_SERVER["REMOTE_ADDR"];

79            }

80    } else {

81            if (getenv("HTTP_X_FORWARDED_FOR")){

82                $realip = getenv("HTTP_X_FORWARDED_FOR");

83            } else if (getenv("HTTP_CLIENT_IP")) {

84                $realip = getenv("HTTP_CLIENT_IP");

85            } else {

86                $realip = getenv("REMOTE_ADDR");

87            }

88        }

89    return $realip;

90}

91if(get_ip_data())

92{

93    ShowMsg("你的IP被禁止！","-1");

94    exit();

95}