Está recorriendo el objeto de los países como una matriz. Echa un vistazo a esto
<?php
class European_countries extends CI_Controller {
public function __construct()
{
parent::__construct();
$this->load->model('European_countries_model');
$this->load->helper('file');
$this->load->database();
}
public function index()
{
$countries = $this->European_countries_model->get_countries();
$data['countries'] = $countries;
$response = array();
$posts = array();
foreach ($countries as $country)
{
$posts[] = array(
"title" => $country->euro_id,
"flag" => $country->flag_name,
"population" => $country->population,
"avg_annual_gcountryth" => $country->avg_annual_gcountryth,
"date" => $country->date
);
}
$response['posts'] = $posts;
echo json_encode($response,TRUE);
//If the json is correct, you can then write the file and load the view
// $fp = fopen('./eur_countries_array.json', 'w');
// fwrite($fp, json_encode($response));
// if ( ! write_file('./eur_countries_array.json', $arr))
// {
// echo 'Unable to write the file';
// }
// else
// {
// echo 'file written';
// }
// $this->load->view('european_countries_view', $data);
}}?>
