FiveM Linux server update script

updater.php

<?php
define('ROOT', __DIR__ . '/');
define('API_URL', 'https://runtime.fivem.net/artifacts/fivem/build_proot_linux/master/');

function GetBuilds() {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, API_URL);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $html = curl_exec($ch);
    curl_close($ch);

    $dom = new DOMDocument();
    if (@$dom->loadHTML($html) === false) {
        return [
            'success' => false,
            'message' => "Failed to parse html"
        ];
    }
    $xpath = new DOMXPath($dom);
    $nodes = $xpath->query("//a[@href]");

    $builds = [];

    // print all href
    foreach ($nodes as $node) {
        $href = $node->getAttribute('href');
        $class = $node->getAttribute('class');
        if (strpos($href, 'fx.tar.xz') !== false) {
            // if class contains 'is-primary' then it's recommended build
            // if class contains 'is-danger' then it's optional build
            if (strpos($class, 'is-primary') !== false) {
                $type = 'recommended';
            } else if (strpos($class, 'is-danger') !== false) {
                $type = 'optional';
            } else {
                $type = 'normal';
            }
            $exp = explode('/', $href);
            $dir = $exp[1];
            $url = sprintf('%s%s/fx.tar.xz', API_URL, $dir);
            $exp2 = explode('-', $dir);
            $version = $exp2[0];
            $hash = $exp2[1];
            $builds[$version] = [
                'url' => $url,
                'hash' => $hash,
                'type' => $type,
            ];
        }
    }

    // sort by version
    uksort($builds, function ($a, $b) {
        return version_compare($a, $b);
    });

    return [
        'success' => true,
        'builds' => $builds,
    ];
}

function PrintLog() {
    $args = func_get_args();
    if (count($args) == 1) {
        $msg = $args[0];
    } else {
        $msg = call_user_func_array('sprintf', $args);
    }
    echo sprintf("[%s] %s\n", date('Y-m-d H:i:s'), $msg);
}

function DownloadFile($url, $save) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

    $fp = fopen($save, 'w+');
    curl_setopt($ch, CURLOPT_FILE, $fp);
    // with progress
    curl_setopt($ch, CURLOPT_NOPROGRESS, false);
    curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function ($resource, $download_size, $downloaded, $upload_size, $uploaded) {
        if ($download_size > 0) {
            $percent = $downloaded / $download_size * 100;
            echo sprintf("\r[%s] Downloading... %.2f%%", date('Y-m-d H:i:s'), $percent);
        }
    });
    curl_exec($ch);
    curl_close($ch);
    fclose($fp);
    echo "\n";
}

PrintLog("FiveM Update Script by Akkariin");
PrintLog("Getting builds...");
$result = GetBuilds();
if ($result['success']) {
    $builds = $result['builds'];

    // get latest version
    $latestVersion = Intval(array_keys($builds)[count($builds) - 1]);
    $latestBuild = $builds[$latestVersion];
    $localVersion = file_exists('.localartifact') ? Intval(trim(file_get_contents('.localartifact'))) : '0';

    PrintLog("Local version: $localVersion");
    PrintLog("Latest version: $latestVersion");
    PrintLog("Latest build: $latestBuild[hash]");
    if ($localVersion == $latestVersion) {
        PrintLog("Already up to date");
        exit;
    }
    PrintLog("Find new version {$latestVersion}, download url: $latestBuild[url]");
    DownloadFile($latestBuild['url'], 'fx.tar.xz');
    PrintLog("Downloaded, extracting...");
    shell_exec('tar -xf fx.tar.xz');
    PrintLog("Extracted, cleaning up...");
    unlink('fx.tar.xz');
    PrintLog("Updating local version...");
    file_put_contents('.localartifact', $latestVersion);
    PrintLog("Updated local version to $latestVersion");
    PrintLog("Done!");
} else {
    PrintLog("Failed to get builds");
    PrintLog($result['message']);
}