<?php
    header('Access-Control-Allow-Origin: *');
    header('Access-Control-Allow-Methods: POST, GET, DELETE, PUT, PATCH, OPTIONS');
    header('Access-Control-Allow-Headers: token, Content-Type');
    header('Access-Control-Max-Age: 1728000');
    header('Content-Length:0');
    header('Content-Type: text/plain');

    $offset = $_GET["offset"];
    $limit = $_GET["limit"];

    $request_url = 'https://restcountries.com/v3.1/all';
    $curl = curl_init($request_url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($curl);
    curl_close($curl);

    $data = json_decode($response);

    $countries = array_slice($data, $offset, $limit);
    $output = array();
    foreach ($countries as $country) {
        $obj = new stdClass();
        $obj->flag = $country->flags->png;
        $obj->name = $country->name->common;
        $obj->capital = $country->capital[0];
        $obj->continent = $country->continents[0];
        $obj->area = $country->area;
        $obj->population = $country->population;
        $obj->drivingSide = $country->car->side;
        array_push($output, $obj);
    }

    echo json_encode($output);
    // echo json_encode($limit);

?>