yaz_wait

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

yaz_wait — Wait for Z39.50 requests to complete

mixed yaz_wait ([ array &$options ] )

This function carries out networked (blocked) activity for outstanding requests which have been prepared by the functions yaz_connect(), yaz_search(), yaz_present(), yaz_scan() and yaz_itemorder().

yaz_wait() returns when all servers have either completed all requests or aborted (in case of errors).

options

An associative array of options:

timeout: Sets timeout in seconds. If a server has not responded within the timeout it is considered dead and yaz_wait() returns. The default value for timeout is 15 seconds.
event: A boolean.

成功时返回 TRUE，或者在失败时返回 FALSE。 In event mode, returns resource 或者在失败时返回 FALSE.