<?php
    $local = "localhost";
    $login = "root";
    $pass = "root";
    $bdname = "sql";
    $link = mysqli_connect($local,$login,$pass,$bdname);

    $id = $_GET['id'];
    $query = mysqli_query($link,"SELECT * FROM country WHERE id='$id'");
    $result = mysqli_fetch_assoc($query);
    echo $result['name_country'];
?>