[php] include와 namespace

greeting.php

<?php 
require_once 'greeting_en_ns.php';
require_once 'greeting_ko_ns.php';

echo language\en\welcome();
echo language\ko\welcome();

greeting_ko_ns.php

<?php

namespace language\ko;

function welcome() {
    return "안녕하세요";
}

greeting_en_ns.php

<?php

namespace language\en;

function welcome() {
    return "hello";
}

• Thanks to 생활코딩