Facebook SDK returned an error: Cross-site request forgery validation failed. The “state” param from the URL and session do not match

Question

i\'m trying to get Facebook user id using the php sdk like this

$fb = new Facebook\\Facebook([
    \'app_id\' => \'11111111111\',
    \'app_secret\' =>         


        

Answer 1

if you keep to see the error, just clean your browser cache. When I've fixed the problem using the enobrev solution, I was continuing to experience the error. After a while I've understood that I needed to clean the cache and after I've restarted the browser it worked!