(PHP 4 >= 4.0.1, PECL yaz >= 0.9.0)
yaz_element — Specifies Element-Set Name for retrieval
This function sets the element set name for retrieval.
If this function appears to have no effect, see the description of the piggybacking option in yaz_connect().
The connection resource returned by yaz_connect().
Most servers support F (for full records) and B (for brief records).
Returns TRUE on success or FALSE on failure.