实在是看不懂首页是如何调用的。。

我有两个index.php....
默认的是显示network.htm的，下载了一个的是显示index.htm的。。但是我怎么都看不出这两index.php有什么区别，哪些语句起了作用的。
高手帮忙解答一下吧。

这是默认调用network.htm的代码..

1. <?php
   
2. /*
   
3.         [UCenter Home] (C) 2007-2008 Comsenz Inc.
   
4.         $Id: index.php 13003 2009-08-05 06:46:06Z liguode $
   
5. */
   
6. 
   
7. include_once('./common.php');
   
8. 
   
9. if(is_numeric($_SERVER['QUERY_STRING'])) {
   
10.         showmessage('enter_the_space', "space.php?uid=$_SERVER[QUERY_STRING]", 0);
    
11. }
    
12. 
    
13. //二级域名
    
14. if(!isset($_GET['do']) && $_SCONFIG['allowdomain']) {
    
15.         $hostarr = explode('.', $_SERVER['HTTP_HOST']);
    
16.         $domainrootarr = explode('.', $_SCONFIG['domainroot']);
    
17.         if(count($hostarr) > 2 && count($hostarr) > count($domainrootarr) && $hostarr[0] != 'www' && !isholddomain($hostarr[0])) {
    
18.                 showmessage('enter_the_space', $_SCONFIG['siteallurl'].'space.php?domain='.$hostarr[0], 0);
    
19.         }
    
20. }
    
21. 
    
22. if($_SGLOBAL['supe_uid']) {
    
23.         //已登录，直接跳转个人首页
    
24.         showmessage('enter_the_space', 'space.php?do=home', 0);
    
25. }
    
26. 
    
27. if(empty($_SCONFIG['networkpublic'])) {
    
28.        
    
29.         $cachefile = S_ROOT.'./data/cache_index.txt';
    
30.         $cachetime = @filemtime($cachefile);
    
31.        
    
32.         $spacelist = array();
    
33.         if($_SGLOBAL['timestamp'] - $cachetime > 900) {
    
34.                 //20位热门用户
    
35.                 $query = $_SGLOBAL['db']->query("SELECT s.*, sf.resideprovince, sf.residecity
    
36.                         FROM ".tname('space')." s
    
37.                         LEFT JOIN ".tname('spacefield')." sf ON sf.uid=s.uid
    
38.                         ORDER BY s.friendnum DESC LIMIT 0,20");
    
39.                 while ($value = $_SGLOBAL['db']->fetch_array($query)) {
    
40.                         $spacelist[] = $value;
    
41.                 }
    
42.                 swritefile($cachefile, serialize($spacelist));
    
43.         } else {
    
44.                 $spacelist = unserialize(sreadfile($cachefile));
    
45.         }
    
46.        
    
47.         //应用
    
48.         $myappcount = 0;
    
49.         $myapplist = array();
    
50.         if($_SCONFIG['my_status']) {
    
51.                 $myappcount = $_SGLOBAL['db']->result($_SGLOBAL['db']->query("SELECT COUNT(*) FROM ".tname('myapp')." WHERE flag>='0'"), 0);
    
52.                 if($myappcount) {
    
53.                         $query = $_SGLOBAL['db']->query("SELECT appid,appname FROM ".tname('myapp')." WHERE flag>=0 ORDER BY flag DESC, displayorder LIMIT 0,7");
    
54.                         while ($value = $_SGLOBAL['db']->fetch_array($query)) {
    
55.                                 $myapplist[] = $value;
    
56.                         }
    
57.                 }
    
58.         }
    
59.                
    
60.         //实名
    
61.         foreach ($spacelist as $key => $value) {
    
62.                 realname_set($value['uid'], $value['username'], $value['name'], $value['namestatus']);
    
63.         }
    
64.         realname_get();
    
65.        
    
66.         $_TPL['css'] = 'network';
    
67.         include_once template("index");
    
68. } else {
    
69.         include_once(S_ROOT.'./source/network.php');
    
70. }
    
71. 
    
72. ?>

复制代码

这是调用index.htm的。。

1. <?php
   
2. /*
   
3.         [UCenter Home] (C) 2007-2008 Comsenz Inc.
   
4.         $Id: index.php 13003 2009-08-05 06:46:06Z liguode $
   
5. */
   
6. 
   
7. include_once('./common.php');
   
8. 
   
9. if(is_numeric($_SERVER['QUERY_STRING'])) {
   
10.         showmessage('enter_the_space', "space.php?uid=$_SERVER[QUERY_STRING]", 0);
    
11. }
    
12. 
    
13. //二级域名
    
14. if(!isset($_GET['do']) && $_SCONFIG['allowdomain']) {
    
15.         $hostarr = explode('.', $_SERVER['HTTP_HOST']);
    
16.         $domainrootarr = explode('.', $_SCONFIG['domainroot']);
    
17.         if(count($hostarr) > 2 && count($hostarr) > count($domainrootarr) && $hostarr[0] != 'www' && !isholddomain($hostarr[0])) {
    
18.                 showmessage('enter_the_space', $_SCONFIG['siteallurl'].'space.php?domain='.$hostarr[0], 0);
    
19.         }
    
20. }
    
21. 
    
22. //总会员
    
23. $spacecount = $_SGLOBAL['db']->result($_SGLOBAL['db']->query("SELECT COUNT(*) FROM ".tname('space')), 0);
    
24. 
    
25. //友情连接
    
26. @include_once('./data/data_wkabc_link.php');
    
27. //友情连接
    
28. 
    
29. if($_SGLOBAL['supe_uid']) {
    
30.         //已登录，直接跳转个人首页
    
31.         showmessage('enter_the_space', 'space.php?do=home', 0);
    
32. }
    
33. 
    
34. if($_SCONFIG['networkpublic']) {
    
35.        
    
36.         $cachefile = S_ROOT.'./data/cache_index.txt';
    
37.         $cachetime = @filemtime($cachefile);
    
38.        
    
39.         $spacelist = array();
    
40.         if($_SGLOBAL['timestamp'] - $cachetime > 900) {
    
41.                 //20位热门用户
    
42.                 $query = $_SGLOBAL['db']->query("SELECT s.*, sf.resideprovince, sf.residecity
    
43.                         FROM ".tname('space')." s
    
44.                         LEFT JOIN ".tname('spacefield')." sf ON sf.uid=s.uid
    
45.                         ORDER BY s.friendnum DESC LIMIT 0,9");
    
46.                 while ($value = $_SGLOBAL['db']->fetch_array($query)) {
    
47.                         $spacelist[] = $value;
    
48.                 }
    
49.                 swritefile($cachefile, serialize($spacelist));
    
50.         } else {
    
51.                 $spacelist = unserialize(sreadfile($cachefile));
    
52.         }
    
53. 
    
54.    //朋友圈话题
    
55.         $threadlist = array();
    
56.         $query = $_SGLOBAL['db']->query("SELECT * FROM `".tname('thread')."` AS `thread` ORDER BY `thread`.`dateline` DESC, `thread`.`viewnum` DESC, `thread`.`replynum` DESC LIMIT 0,10
    
57. ");
    
58.         while ($value = $_SGLOBAL['db']->fetch_array($query)) {
    
59.                 $value['tagname'] = getstr($value['tagname'], 20);
    
60.                 $value['subject'] = getstr($value['subject'], 60);
    
61.                 $threadlist[] = $value;
    
62.         }
    
63.        
    
64.         //应用
    
65.         $myappcount = 0;
    
66.         $myapplist = array();
    
67.         if($_SCONFIG['my_status']) {
    
68.                 $myappcount = $_SGLOBAL['db']->result($_SGLOBAL['db']->query("SELECT COUNT(*) FROM ".tname('myapp')." WHERE flag>='0'"), 0);
    
69.                 if($myappcount) {
    
70.                         $query = $_SGLOBAL['db']->query("SELECT appid,appname FROM ".tname('myapp')." WHERE flag>=0 ORDER BY flag DESC, displayorder LIMIT 0,7");
    
71.                         while ($value = $_SGLOBAL['db']->fetch_array($query)) {
    
72.                                 $myapplist[] = $value;
    
73.                         }
    
74.                 }
    
75.         }
    
76.                
    
77.         //实名
    
78.         foreach ($spacelist as $key => $value) {
    
79.                 realname_set($value['uid'], $value['username'], $value['name'], $value['namestatus']);
    
80.         }
    
81.         realname_get();
    
82.        
    
83.         $_TPL['css'] = 'network';
    
84.         include_once template("index");
    
85. } else {
    
86.         include_once(S_ROOT.'./source/network.php');
    
87. }
    
88. 
    
89. 
    
90. 
    
91. ?>

复制代码

找到原因了。。。
if($_SCONFIG['networkpublic'])
if(empty($_SCONFIG['networkpublic']))
原来是这个语句。。。
神啊，教教我PHP吧。。。。