# yaz_element

(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0)

yaz_element — Specifies Element-Set Name for retrieval

### 说明

yaz_element ( resource `$id` , string `$elementset` ) : bool

This function sets the element set name for retrieval.

Call this function before yaz_search() or yaz_present() to specify the element set name for records to be retrieved.

> Note:

> If this function appears to have no effect, see the description of the piggybacking option in yaz_connect().

### 参数

`id`

  The connection resource returned by yaz_connect().

`elementset`

  Most servers support F (for full records) and B (for brief records).

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。