includes/class-freemius.php
private function set_keepalive_timestamp( $use_network_level_storage = null ) {
            $this->_logger->entrance();

            $this->_storage->store( 'keepalive_timestamp', time(), $use_network_level_storage );
        }
private function set_keepalive_timestamp( $use_network_level_storage = null ) {
            $this->_logger->entrance();

            $this->_storage->store( 'keepalive_timestamp', time(), $use_network_level_storage );
        }
private function set_keepalive_timestamp ( $ use_network_level_storage = null ) { $ this -> _logger -> entrance ( ) ; $ this -> _storage -> store ( 'keepalive_timestamp' , time ( ) , $ use_network_level_storage ) ; }
Sets the keepalive time to now.

@author Leo Fajardo (@leorw)
@since  2.2.3

@param bool|null $use_network_level_storage
Sets the keepalive time to now .