private function beforeActionExecute()
 {
     $userId = (string) HttpContext::getInstance()->getSession()->userId;
     if ($userId !== "") {
         Helpers::redirect('');
     }
 }
 function __construct(array $params)
 {
     $context = HttpContext::getInstance();
     $this->setName($params['name']);
     $this->setDescription($params['description']);
     $this->setVenue($params['venue']);
     $this->setStart($params['start']);
     $this->setEnd($params['end']);
 }
 public function __construct(array $params)
 {
     $context = HttpContext::getInstance();
     $this->setName($params['name']);
     $this->setDescription($params['description']);
     $this->setSpeaker($params['speaker']);
     $this->setHall($params['hall']);
     $this->setEnd($params['end']);
     $this->setStart($params['start']);
 }
 function __construct(array $params)
 {
     $context = HttpContext::getInstance();
     $this->setPassword($params['password']);
     $this->setUsername($params['username']);
 }