Update database

[eluser]Unknown[/eluser]
thank you for try to helping me, this code finally work by me..

Code:

function update(){
$this->load->database();
$data = array(
'title'=>$this->input->post('title'),
'slug'=>$this->input->post('slug'),
'intro'=>$this->input->post('intro'),
'text'=>$this->input->post('text'),);
$this->db->where('id',$this->input->post('id'));
$this->db->update('news',$data);
}