original_string: protected function setValues($data, $duration)
      {
          $result = apc_store($data, null, $duration);
          return is_array($result) ? array_keys($result) : [];
      }
code: protected function setValues($data, $duration)
      {
          $result = apc_store($data, null, $duration);
          return is_array($result) ? array_keys($result) : [];
      }
code_tokens: protected function setValues ( $ data , $ duration ) { $ result = apc_store ( $ data , null , $ duration ) ; return is_array ( $ result ) ? array_keys ( $ result ) : [ ] ; }
docstring: Stores multiple key-value pairs in cache.
  @param array $data array where key corresponds to cache key while value
  @param integer $duration the number of seconds in which the cached values will expire. 0 means never expire.
  @return array array of failed keys
docstring_tokens: Stores multiple key - value pairs in cache .