PHP FIX has been blocked by CORS policy: No 'Access-Control-Allow-Origin' - SOLVED

PHP FIX has been blocked by CORS policy: No 'Access-Control-Allow-Origin'

In the PHP code above, I am telling the browser that site-a.com has permission to make cross-domain requests to my website. The second parameter of PHP’s header function has been set to FALSE so that it is not overwritten by any other Access-Control-Allow-Origin headers that we may add in the future.

Note that you may also come across examples like this on the web:

//Access-Control-Allow-Origin header with wildcard. Access-Control-Allow-Origin: http://siteA.com Access-Control-Allow-Methods: GET, POST, PUT Access-Control-Allow-Headers: Content-Type <p>In the PHP code above, we have used a wildcard character. The problem with this is that it will allow everybody to make Ajax requests to our website. This is a lazy solution that may introduce security risks.</p>