yaz_present

(PHP 4 >= 4.0.5, PECL yaz >= 0.9.0)

yaz_present — Prepares for retrieval (Z39.50 present)

bool yaz_present ( resource $id )

This function prepares for retrieval of records after a successful search.

The yaz_range() function should be called prior to this function to specify the range of records to be retrieved.

成功时返回 TRUE，或者在失败时返回 FALSE.