php - Codeigniter: Simple echo of data from DB -

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what best way create model can call controller this?

$this->model_model->function->dbname

i have following model rubbish:

model:

function systemname() {      $query = $this->db->query("select cms_name options");      return $query->result(); }

update:

function systemoptions($options) {        $this->db->select($options);      $query = $this->db->get('options');      return $query->num_rows(); }

why want to? why not call this?:

 $this->model_model->functionname('dbname');

a complete skeleton of model this:

<?php class mymodel extends model {     function get_some_entries($number_rows)     {             return $result = $this -> db -> query("select id, name                                             tablename                                             limit $number_rows");     } } ?>

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