server-info.php

<?php 
    $co = "<h2>Comment Out</h2>";
    # $_SERVER SUPERGLOBALS

    $server = [
        'Host Server Name' => $_SERVER['SERVER_NAME'],
        'Host Header' => $_SERVER['HTTP_HOST'],
        'Server Software' => $_SERVER['SERVER_SOFTWARE'],
        'Document Root' => $_SERVER['DOCUMENT_ROOT'],
        'Current Page' => $_SERVER['PHP_SELF'],
        'Script Name' => $_SERVER['SCRIPT_NAME'],
        'Absolute Path' => $_SERVER['SCRIPT_FILENAME']
    ];
/*
    echo $server['Host Server Name'];
    echo $server['Host Header'];
    echo $server['Server Software'];
    echo $server['Document Root'];

    print_r ($_SERVER);
    // Create Client Array

    echo $co;
*/
    $client = [
        'Client System Info' => $_SERVER['HTTP_USER_AGENT'],
        'Client IP' => $_SERVER['REMOTE_ADDR'],
        'Remote Port' => $_SERVER['REMOTE_PORT']
    ];
//    print_r ($client);
?>