Filters the list of all found galleries in the given post.

Filters the first-found post gallery.

Filters Heartbeat Ajax response in no-privilege environments.

Filters Heartbeat Ajax response in no-privilege environments when no data is passed.

Fires when Heartbeat ticks in no-privilege environments.

Filters the Heartbeat response received.

Filters the Heartbeat response sent.

Filters the Heartbeat settings.

Fires when Heartbeat ticks in logged-in environments.

Check if HTTP request is external or not.