Incrementing Cakephp database field by a value

Question

I have this field whose value i have to increment the field value by a specific value. I am using this

$data[\'quantity\']     = \'Order.quantity+1\';
         


        

Answer 1

Using saveField:

Article->id = $id;
$this->Article->saveField('viewed', (int)$this->Article->field('viewed') + 1);

?>