pg_result_error Get error message associated with result stringpg_result_error resourceresult pg_result_error returns error message associated with result resource. Therefore, user has better chance to get better error message than pg_last_error. Because pg_query returns &false; if the query fails, you must use pg_send_query and pg_get_result to get the result handle. See also pg_query, pg_send_query, pg_get_result, pg_last_error and pg_last_notice