TODO, finish this script to get skins, capes, textures, etc via sessionserver.mojang.com

gistfile1.php

<?php
 
function getProfile($name) {
    $uri = "https://api.mojang.com/profiles/minecraft";
    $request = Requests::post($uri, ["Content-Type" => "application/json", "User-Agent" => "ShockyIRC/1.0"], json_encode($name));
    try {
        $json = json_decode($request->body, true);
        $id = @$json[0]["id"];
        return $id?$id:"No profile.";
    } catch (Exception $e) {
        return "Failed to connect to API server.";
    }
}
 
function sessionRequest($uuid) {
    $uri = "https://sessionserver.mojang.com/session/minecraft/profile/";
    $request = Requests::get($uri.$uuid);
    try {
        if ($request->status_code == 204) return "Invalid profile.";
        $json = json_decode($request, true);
    } except (Exception $e) {
    return "Failed to connect to the session server, is it down?";
    }
    $data = (
        "id" => $json["id"], "name" => $json["name"], "textures" => base64_decode()
    )
}

if (!$args) return "You need to specify a username or UUID.";
switch (strlen($args)) {
 case 32 or 36:
  $uuid = str_replace("-", "", $args);
  echo sessionRequest($uuid);
  break;
 case <17:
  $profile = getProfile($args);
  if (strlen($profile) !== 32) return $profile;
  echo sessionRequest($profile);
  break;
 default:
  echo "You need to specify a valid username or UUID.";
  return;
}