I am trying to follow example here: https://github.com/Tawasta/odoo-xml-rpc-example/blob/10.0/php-ripcord.md

Odoo is running under ubuntu 18.04 desktop linux and my host is win'7, here i have xampp portable.

i can get uid ( print("<p>Your current user id is '${uid}'</p>"); ) but when going further it is showing error

Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in D:\xampp\htdocs\mytest\test4.php on line 54


Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in D:\xampp\htdocs\mytest\test4.php on line 54

Warning: Illegal string offset 'name' in D:\xampp\htdocs\mytest\test4.php on line 54

the code file .php contains:

<?php
// Login information
$url = 'http://192.168.18.71:8069';
$url_auth = $url . '/xmlrpc/2/common';
$url_exec = $url . '/xmlrpc/2/object';
$db = 'odb14';
$username = 'odoouser@myhost.com';
$password = 'admin';
// Ripcord can be cloned from https://github.com/poef/ripcord
require_once('ripcord\ripcord.php');
// Login
$common = ripcord::client($url_auth);
$uid = $common->authenticate($db, $username, $password, array());
print("<p>Your current user id is '${uid}'</p>");
$models = ripcord::client($url_exec);
$models                 // The (Ripcord) client
    ->execute_kw(       // Execute command
    'table.reference',  // Referenced model, e.g. 'res.partner' or 'account.invoice'
    'search',           // Search method of the referenced model
    array()             // Search domain
);
$customer_ids = $models->execute_kw(
    $db, // DB name
    $uid, // User id, user login name won't work here
    $password, // User password
    'res.partner', // Model name
    'search', // Function name
    array( // Search domain
        array( // Search domain conditions
            array('active', '=', true)) // Query condition
        )
 );

$customers = $models->execute_kw($db, $uid, $password, 'res.partner',
    'read',  // Function name
    array($customer_ids), // An array of record ids
    array('fields'=>array('name')) // Array of wanted fields
);
print("<p><strong>Found customers:</strong><br/>");
foreach ($customers as &$customer){
    print("{$customer[name]}<br/>");
}
print("</p>");
?>

is it because of my odoo version where it requires different handling or anything else? please help.

regards