*/ public function to_array(): array { $result = []; if ( $this->sessions !== null ) { $result['sessions'] = $this->sessions; } if ( $this->total_users !== null ) { $result['total_users'] = $this->total_users; } return $result; } /** * Sets the sessions. * * @param int $sessions The sessions. * * @return void */ public function set_sessions( int $sessions ): void { $this->sessions = $sessions; } /** * Sets the total users. * * @param int $total_users The total users. * * @return void */ public function set_total_users( int $total_users ): void { $this->total_users = $total_users; } }