original_string: public function decrement($key, $offset = 1)
      {
          $key = $this->_key($key);
  
          return xcache_dec($key, $offset);
      }
code: public function decrement($key, $offset = 1)
      {
          $key = $this->_key($key);
  
          return xcache_dec($key, $offset);
      }
code_tokens: public function decrement ( $ key , $ offset = 1 ) { $ key = $ this -> _key ( $ key ) ; return xcache_dec ( $ key , $ offset ) ; }
docstring: Decrements the value of an integer cached key.
  If the cache key is not an integer it will be treated as 0
  
  @param string $key Identifier for the data
  @param int $offset How much to subtract
  @return bool|int New decremented value, false otherwise
docstring_tokens: Decrements the value of an integer cached key . If the cache key is not an integer it will be treated as 0