versions.php

<?php
function GetVersion($command, $pattern = '/([\d.]*[\d])/') {
    if (preg_match($pattern, shell_exec($command), $matches)) {
        return $matches[1];
    }
    return false;
}

$versions = [
    'php'     => phpversion(),
    'node'    => GetVersion('node --version'),
    'npm'     => GetVersion('npm --version'),
    'linux'   => GetVersion('cat /proc/version'),
    'mysql'   => GetVersion('mysql --version'),
    'openssl' => GetVersion('openssl version', '/(\d[\d.a-z]+)/'),
    'apache'  => GetVersion('apachectl -v'),
    'ruby'    => GetVersion('ruby --version'),
    'curl'    => GetVersion('curl --version'),
];

foreach ($versions as $app => $ver) {
    echo $app . ': ' . $ver . '<br>';
}