Discuz getfocus_rand函数 随机抽取站长推荐条目

mickeyort

1. /**
   
2. * 随机取出一个站长推荐的条目
   
3. * @param $module 当前模块
   
4. * @return array
   
5. */
   
6. 
   
7. function getfocus_rand($module) {
   
8.         global $_G;
   
9. 
   
10.         if(empty($_G['setting']['focus']) || !array_key_exists($module, $_G['setting']['focus']) || !empty($_G['cookie']['nofocus_'.$module]) || !$_G['setting']['focus'][$module]) {
    
11.                 return null;
    
12.         }
    
13.         loadcache('focus');
    
14.         if(empty($_G['cache']['focus']['data']) || !is_array($_G['cache']['focus']['data'])) {
    
15.                 return null;
    
16.         }
    
17.         $focusid = $_G['setting']['focus'][$module][array_rand($_G['setting']['focus'][$module])];
    
18.         return $focusid;
    
19. }

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