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Returns additional error information (PHP 4 >= 4.0.1, PECL yaz:0.9-1.0.9)
string yaz_addinfo ( resource id )

Returns additional error information for the last request on the server.

With some servers, this function may return the same string as yaz_error().



The connection resource returned by yaz_connect().

Return Values

A string containing additional error information or an empty string if the last operation was successful or if no additional information was provided by the server.