Example #1
0
 private static function dedupAndJoinShortTitles($seedKeyword)
 {
     if (empty($seedKeyword)) {
         return null;
     }
     $res = LDao::getUniqueShortTitlesForASeed($seedKeyword);
     if (!res || empty($res)) {
         return null;
     }
     $shortTitles = array();
     foreach ($res as $dbRow) {
         $shortTitle = $dbRow->short_title;
         if (empty($shortTitle)) {
             continue;
         }
         $shortTitles[] = $shortTitle;
     }
     return implode(self::DEDUP_QUERY_DELIMITER, array_unique($shortTitles));
 }