Emoji URLs

I got curious if one could construct emoji URLs…

Emoji_URL

.htaccess

RewriteEngine On
RewriteRule (.+) index.php?request=$1 [L,QSA]

index.php

$requestArray = explode("/", $_GET['request']);

echo “Welcome to my page about “;

if(urlencode($requestArray[0]) == ‘%F0%9F%90%A8’)¬†echo ‘koalas’;

echo ‘ eating ‘;

if(urlencode($requestArray[1]) == ‘%F0%9F%8D%94’) echo “burgers!\n”;