PHP Manual . ... PHP 4 >= 4.0.6) dbx_error -- Report the error message of the latest function call in the module (not just in the connection) . string dbx_error ( dbx_link_object link_identifier) . ... Example 1. dbx_error() example . php $link = dbx_connect ("mysql", "localhost", "db", "username", "password") or die ("Could not connect"); $result = dbx_query ($link, "select id from nonexistingtbl"); if ($result==0) { echo dbx_error ($link); } dbx_close ($link); ?> ... dbx_connect . ...