$condition=($term&&$termID)?" AND `".$term."`.`term_id` = ".$termID:'';
$structure=($term&&$termID)?" LEFT JOIN `{$prefix}term_relationships` AS `rel_term2` ON `rel_term2`.`object_id` = `t`.`ID`
INNER JOIN `{$prefix}term_taxonomy` AS `rel_tt_term2` ON `rel_tt_term2`.`taxonomy` = '".$term."' AND `rel_tt_term2`.`term_taxonomy_id` = `rel_term2`.`term_taxonomy_id`