gistfile1.txt

    public function password($id = null)
    {
        $user = $this->Users->get($id);

            if ($this->request->is(['patch', 'post', 'put'])) {
                $user = $this->Users->patchEntity($user, $this->request->data);
                if ($this->request->is(['ajax'])) {

                    if ($this->Users->save($user)) {
                    } else {
                    }
                    
                } else {
                    if ($this->Users->save($user)) {
                        $this->Flash->success('The user has been saved.');
                    } else {
                        debug($user); die;
                        $this->Flash->error('The user could not be saved. Please, try again.');
                    }
                }
            }

            $this->set(compact('user'));
            $this->set('_serialize', ['user']);

    }