Tsss

<?php
function sendRequest($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    $output = curl_exec($ch);
    curl_close($ch);
    return json_decode($output);
}

function getinfo ($id) {
    $params = ["user_ids" => $id,"fields" => "first_name,last_name,photo_id,verified,sex,bdate,city,country,home_town,has_photo,photo_50,photo_100,photo_200_orig,photo_200,photo_400_orig,photo_max,photo_max_orig,online,domain,has_mobile,contacts,site,status,last_seen,followers_count,occupation,nickname,relatives,relation,personal,about","v" => "5.100","access_token" => "a8249ddda8249ddda8249ddd05a84f87fdaa824a8249dddf513d3ac0dbf9c603f849e2a","lang" => "ru"];
    $url = "https://api.vk.com/method/users.get?".http_build_query($params);
    return sendRequest($url);
}

$user_id = 407747535;
$info = getinfo($user_id);
$username = $info->response[0]->first_name." ".$info->response[0]->last_name;
$avatar = $info->response[0]->photo_200;
echo $username;
?>