Fixed code style *again* because of non-updated PR, then move the facebook.inc.php inclusion to avoid NOTICE alerts - refs #7605

main/auth/external_login/facebook.inc.php

@@ -30,7 +30,7 @@ use Facebook\HttpClients\FacebookHttpable;
 require_once dirname(__FILE__) . '/functions.inc.php';
 
 // dont rename $facebook_config to $facebookConfig otherwise get a "Facebook\\FacebookSDKException"
-FacebookSession::setDefaultApplication( $facebook_config['appId'],$facebook_config['secret']);
+FacebookSession::setDefaultApplication($facebook_config['appId'], $facebook_config['secret']);
 
 /**
  * This function connect to facebook and retrieves the user info

main/inc/local.inc.php

@@ -118,11 +118,12 @@
 
 use \ChamiloSession as Session;
 
-require_once api_get_path(SYS_PATH).'main/auth/external_login/facebook.inc.php';
-
 // Facebook connexion, if activated
 if (api_is_facebook_auth_activated() && !api_get_user_id()) {
+    require_once api_get_path(SYS_PATH).'main/auth/external_login/facebook.inc.php';
+    if (isset($facebook_config['appId']) && isset($facebook_config['secret'])) {
         facebookConnect();
+    }
 }
 
 // Conditional login