I'm trying to add Facebook API on my web application..
But when I tried to post links using the Graph API.. I got this error:
Fatal error: Uncaught exception 'Facebook\FacebookSDKException' with message 'couldn't connect to host' in /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/HttpClients/FacebookCurlHttpClient.php:156 Stack trace: #0 /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/FacebookRequest.php(248): Facebook\HttpClients\FacebookCurlHttpClient->send('https://graph.f...', 'POST', Array) #1 /home/u614270703/public_html/test/session2.php(32): Facebook\FacebookRequest->execute() #2 {main} thrown in /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/HttpClients/FacebookCurlHttpClient.php on line 156
I don't have any idea what is going on. What does this error means? I don't know why I can't 'connect to host'.