PHP Manual . Prev . Next . PHP 4 ) yaz_wait -- Wait for Z39.50 requests to complete . int yaz_wait ( [ array options]) . ... yaz_wait() returns when all targets have either completed all requests or aborted (in case of errors). If the options array is given that holds options that change the behaviour of yaz_wait() . timeout . Sets timeout in seconds. If a target hasn't responded within the timeout it is considered dead and yaz_wait() returns. ...