gistfile1.php

public function find() {
      
        if ($this->request->is('ajax')) {
            
            $this->autoRender = false;            
            $country_name = $this->request->data['Country']['name'];            
            $results = $this->Country->find('all', array(
                                           'conditions' => array('Country.name LIKE ' => '%' . $country_name . '%'),
                                           'recursive'  => -1
                                           ));
            
            $resultArr = array();
             foreach($results as $result) {
            $resultArr[] = array('label' =>$result['Country']['name'] , 'value' => $result['Country']['name'] );
                 }

    echo json_encode($resultArr);
    //exit();
 
       } 
       
    }