JS
(quick guide & example)
FOR WINDOWS Windows\System32\drivers\etc\hosts
POINT SITE-A.COM & SITE-B.COM TO LOCAL IP ADDRESS 127.0.0.1 site-a.com 127.0.0.1 site-b.com
MAC/LINUX etc/hosts
ADD VIRTUAL HOSTS IN APACHE xampp\apache\conf\extra\httpd-vhosts.conf
<VirtualHost *> DocumentRoot "C:/sitea/" ServerName site-a.com </VirtualHost>
<VirtualHost *> DocumentRoot "C:/siteb/" ServerName site-b.com </VirtualHost>
fetch("http://site-b.com/cors.php", { mode : "cors", credentials : "include" }) .then(res => res.text()) .then(txt =>console.log(txt)) .catch(err => console.error(err));
ALLOW SITE A header("Access-Control-Allow-Origin: http://site-a.com");
ALLOW CREDENTIALS header("Access-Control-Allow-Credentials: true");
OUTPUT echo "It works!";