yaz_errno

Returns error number

&reftitle.description; `int` `yaz_errno` `resource` `id`

Returns an error number for the server (last request) identified by `id`.

`yaz_errno` should be called after network activity for each server - (after `yaz_wait` returns) to determine the success or failure of the last operation (e.g. search).

&reftitle.parameters;

`id`

- The connection resource returned by `yaz_connect`.

&reftitle.returnvalues;

Returns an error code. The error code is either a Z39.50 diagnostic code (usually a Bib-1 diagnostic) or a client side error code which is generated by PHP/YAZ itself, such as "Connect failed", "Init Rejected", etc.

&reftitle.seealso;

- `yaz_error`
- `yaz_addinfo`