{"id":72,"date":"2023-06-05T12:45:24","date_gmt":"2023-06-05T04:45:24","guid":{"rendered":"http:\/\/pro369.com\/php\/?p=72"},"modified":"2019-04-12T13:26:58","modified_gmt":"2019-04-12T13:26:58","slug":"%e5%a6%82%e4%bd%95%e8%a8%88%e7%ae%97%e7%8f%be%e7%94%a8%e7%9a%84%e7%b7%9a%e4%b8%8a%e4%ba%ba%e6%95%b8%ef%bc%9f%ef%bc%88php%e7%a8%8b%e5%bc%8f%e8%a8%ad%e8%a8%88%e5%95%8f%e9%a1%8c%e8%88%87%e7%ad%94%e8%a68","status":"publish","type":"post","link":"https:\/\/por.tw\/php\/%e5%a6%82%e4%bd%95%e8%a8%88%e7%ae%97%e7%8f%be%e7%94%a8%e7%9a%84%e7%b7%9a%e4%b8%8a%e4%ba%ba%e6%95%b8%ef%bc%9f%ef%bc%88php%e7%a8%8b%e5%bc%8f%e8%a8%ad%e8%a8%88%e5%95%8f%e9%a1%8c%e8%88%87%e7%ad%94%e8%a68\/","title":{"rendered":"\u5982\u4f55\u8a08\u7b97\u73fe\u7528\u7684\u7dda\u4e0a\u4eba\u6578\uff1f\uff08PHP\u7a0b\u5f0f\u8a2d\u8a08\u554f\u984c\u8207\u7b54\u8986\uff09"},"content":{"rendered":"

PHP\u7a0b\u5f0f\u8a2d\u8a08\u554f\u984c\u8aee\u8a62\uff1a
\u8acb\u554f\uff0c\u5982\u4f55\u8a08\u7b97\u73fe\u7528\u7684\u7dda\u4e0a\u4eba\u6578\uff1f<\/strong><\/font>
———————————————————
PHP\u7a0b\u5f0f\u8a2d\u8a08\u554f\u984c\u56de\u8986\uff1a
\u60a8\u8981\u8a08\u7b97\u73fe\u7528\u7684\u7dda\u4e0a\u4eba\u6578\uff1f\uff0c\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u7684\u8aaa\u660e\uff1a<\/font><\/strong><\/font>
———————————————————
\u8a08\u7b97\u73fe\u7528\u7684\u7dda\u4e0a\u4eba\u6578<\/p>\n

\u4f8b\u5b50\u4e00:\u7528\u6587\u5b57\u5be6\u73fe<\/font><\/strong>
<?php
\/\/\u9996\u5148\u4f60\u8981\u6709\u8b80\u5beb\u6a94\u7684\u8a31\u53ef\u6b0a
\/\/\u672c\u7a0b\u5f0f\u53ef\u4ee5\u76f4\u63a5\u904b\u884c,\u7b2c\u4e00\u6b21\u5831\u932f,\u4ee5\u5f8c\u5c31\u53ef\u4ee5
  $online_log = "count.dat"; \/\/\u5132\u5b58\u4eba\u6578\u7684\u6a94,
  $timeout = 30;\/\/30\u79d2\u5167\u6c92\u52d5\u4f5c\u8005,\u8a8d\u70ba\u6389\u7dda
  $entries = file($online_log);<\/p>\n

  $temp = array();
 
  for ($i=0;$i<count($entries);$i++) {
   $entry = explode(",",trim($entries[$i]));
   if (($entry[0] != getenv('REMOTE_ADDR')) && ($entry[1] > time())) {
    array_push($temp,$entry[0].",".$entry[1]."
\n"); \/\/\u53d6\u51fa\u5176\u4ed6\u6d41\u89bd\u8005\u7684\u8cc7\u8a0a,\u4e26\u53bb\u6389\u903e\u6642\u8005,\u5132\u5b58\u9032$temp
   }
  }<\/p>\n

   array_push($temp,getenv('REMOTE_ADDR').",".(time() + ($timeout))."
\n"); \/\/\u66f4\u65b0\u6d41\u89bd\u8005\u7684\u6642\u9593
  $users_online = count($temp); \/\/\u8a08\u7b97\u7dda\u4e0a\u4eba\u6578<\/p>\n

  $entries = implode("",$temp);
  \/\/\u5beb\u5165\u6a94\u6848
  $fp = fopen($online_log,"w");
   flock($fp,LOCK_EX); \/\/flock() \u4e0d\u80fd\u5728NFS\u4ee5\u53ca\u5176\u4ed6\u7684\u4e00\u4e9b\u7db2\u8def\u6a94\u7cfb\u7d71\u4e2d\u6a19\u6e96\u5de5\u4f5c
   fputs($fp,$entries);
   flock($fp,LOCK_UN);
   fclose($fp);<\/p>\n

   echo "\u73fe\u7528\u7684\u6709".$users_online."\u4eba\u7dda\u4e0a";<\/p>\n

?>  
\u4f8b\u5b50\u4e8c:
\u7528\u8cc7\u6599\u5eab\u5be6\u73fe\u7dda\u4e0a\u4f7f\u7528\u8005<\/strong><\/font>
<?
#
# Author: Marco(hkfuk)
#
# Contact: Crazy_Marco@msn.com
#
$host="localhost";\/\/mysql\u7684host
$user="root";\/\/mysql\u7684\u4f7f\u7528\u8005\u540d\u7a31
$pw="";\/\/mysql\u7684\u5bc6\u78bc
$db="";\/\/mysql\u8cc7\u6599\u5eab\u540d\u7a31
$update_time="30";\/\/\u66f4\u65b0\u7684\u983b\u7387—\u79d2\u6578
session_start();
if(!$_SESSION['name'])session_register("name");
############################################
$con=mysql_connect($host,$user,$pw)or die("\u4e0d\u53ef\u4ee5\u9023\u7dda\u8cc7\u6599\u5eab");
$now=time();
mysql_select_db($db,$con)or die("\u932f\u8aa4\u7684\u8cc7\u6599\u5eab$db");
if(!empty($name)){\/\/\u5982\u679c\u4f7f\u7528\u8005\u5df2\u7d93\u767b\u5165\u4e86
$query=mysql_query("select count(username) from online_list where username='$name'",$con);\/\/\u67e5\u8a62\u7dda\u4e0a\u5230\u8868\u662f\u5426\u5df2\u7d93\u6709\u4f7f\u7528\u8005\u7684\u540d\u7a31
$result=mysql_result($query,0);\/\/\u67e5\u8a62\u7684\u7d50\u679c
if($result!=0){\/\/\u5982\u679c\u4f7f\u7528\u8005\u5df2\u7d93\u5728\u7dda\u4e0a\u6e05\u55ae\u4e86
@mysql_query("update online_list set second_time='$now' where username='$name'",$con);\/\/\u66f4\u65b0\u4f7f\u7528\u8005\u7684\u6700\u5f8c\u7dda\u4e0a\u6642\u9593
}else{\/\/\u5982\u679c\u4f7f\u7528\u8005\u5df2\u7d93\u4e0d\u5728\u7dda\u4e0a\u6e05\u55ae
@mysql_query("insert into online_list(username,userip,online_time,second_time)values('$name','$REMOTE_ADDR','$now','$now')",$con);\/\/ \u65b0\u589e\u4e00\u500b\u4f7f\u7528\u8005\u5230\u7dda\u4e0a\u6e05\u55ae
}
}<\/p>\n

else{\/\/\u5982\u679c\u4f7f\u7528\u8005\u6c92\u6709\u767b\u5165
$query=mysql_query("select count(userip) from online_list where userip='$REMOTE_ADDR'",$con);\/\/\u67e5\u8a62\u7dda\u4e0a\u5230\u8868\u662f\u5426\u5df2\u7d93\u6709\u8a2a\u5ba2\u7684ip \u4f4d\u5740
$result=mysql_result($query,0);\/\/\u67e5\u8a62\u7684\u7d50\u679c
if($result!=0){\/\/\u5982\u679c\u8a2a\u5ba2\u7684ip\u4f4d\u5740\u5df2\u7d93\u5728\u7dda\u4e0a\u6e05\u55ae\u4e86
@mysql_query("update online_list set second_time='$now' where userip='$REMOTE_ADDR'",$con);\/\/\u66f4\u65b0\u8a2a\u5ba2\u7684\u6700\u5f8c\u7dda\u4e0a\u6642\u9593
}else{\/\/\u5982\u679c\u4f7f\u7528\u8005\u6e05\u55ae\u6c92\u6709\u8a2a\u5ba2\u7684ip\u4f4d\u5740
@mysql_query("insert into online_list(username,userip,online_time,second_time)values('\u8a2a\u5ba2 ','$REMOTE_ADDR','$now','$now')",$con);\/\/\u65b0\u589e\u4e00\u500b\u8a2a\u5ba2\u5230\u7dda\u4e0a\u6e05\u55ae
}
}
$del_time=$now-$update_time;
@mysql_query("delete from online_list where second_time<$del_time",$con);\/\/\u522a\u9664\u5728$update_time\u79d2\u5167\u6c92\u6709\u52d5\u4f5c\u7684\u4f7f\u7528\u8005
?><\/p>\n

———————————————————<\/p>\n","protected":false},"excerpt":{"rendered":"

PHP\u7a0b\u5f0f\u8a2d\u8a08\u554f\u984c\u8aee\u8a62\uff1a \u8acb\u554f\uff0c\u5982\u4f55\u8a08\u7b97\u73fe\u7528\u7684\u7dda\u4e0a\u4eba\u6578\uff1f ———&#821 […]<\/p>\n","protected":false},"author":1,"featured_media":398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[22],"class_list":["post-72","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php","tag-php"],"_links":{"self":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/72"}],"collection":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/comments?post=72"}],"version-history":[{"count":0,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/posts\/72\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media\/398"}],"wp:attachment":[{"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/media?parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/categories?post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/por.tw\/php\/wp-json\/wp\/v2\/tags?post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}