BP_Core_Notification::save()

	public function save() {
		global $wpdb;

		$bp = buddypress();

		// Update.
		if ( !empty( $this->id ) ) {
			$sql = $wpdb->prepare( "UPDATE {$bp->core->table_name_notifications} SET item_id = %d, secondary_item_id = %d, user_id = %d, component_name = %s, component_action = %d, date_notified = %s, is_new = %d ) WHERE id = %d", $this->item_id, $this->secondary_item_id, $this->user_id, $this->component_name, $this->component_action, $this->date_notified, $this->is_new, $this->id );

		// Save.
		} else {
			$sql = $wpdb->prepare( "INSERT INTO {$bp->core->table_name_notifications} ( item_id, secondary_item_id, user_id, component_name, component_action, date_notified, is_new ) VALUES ( %d, %d, %d, %s, %s, %s, %d )", $this->item_id, $this->secondary_item_id, $this->user_id, $this->component_name, $this->component_action, $this->date_notified, $this->is_new );
		}

		if ( !$result = $wpdb->query( $sql ) )
			return false;

		$this->id = $wpdb->insert_id;

		return true;
	}