©
                    本文档使用
                    php中文网手册 发布
                
(PECL sphinx >= 0.1.0)
SphinxClient::buildKeywords — Extract keywords from query
$query 
   ,  string $index 
   ,  bool $hits 
   )
   Extracts keywords from query using tokenizer 
   settings for the given index, optionally with
   per-keyword occurrence statistics.
  
query A query to extract keywords from.
index An index to get tokenizing settings and keyword occurrence statistics from.
hits A boolean flag to enable/disable keyword statistics generation.
Returns an array of associative arrays with per-keyword information.