formV2->id; $newFormId = $this->formV3->id; $formMetaTable = DB::prefix('give_formmeta'); DB::query( DB::prepare( " INSERT INTO $formMetaTable (form_id, meta_key, meta_value) SELECT %d, meta_key, meta_value FROM $formMetaTable WHERE form_id = %d AND meta_key NOT IN ( SELECT meta_key FROM $formMetaTable WHERE form_id = %d ) ", $newFormId, $oldFormId, $newFormId ) ); } }