User

<?php

namespace Vadim\User;

use \Datetime;

class User
{

    private $name;
    private $srName;
    private $dbo;
    private $roles;
    private $password;

    /**
     * Class constructor
     *
     * @param string $name
     * @param string $srName
     * @param array $roles User roles
     * @param dateTime $dbo date of birth
     * @param string $password not hashed password
     *
     */
    public function __construct(string $name, string $srName, array $roles, dateTime $dbo, string $password)
    {
        $this->setName($name);
        $this->setSrName($srName);
        $this->setPassword($password);
        $this->setRoles($roles);
        $this->dbo = $dbo;
    }

    /**
     * Destruct User Class
     */
    public function __destruct()
    {
        unset($this->name);
        unset($this->srName);
        unset($this->dbo);
        unset($this->roles);
        unset($this->password);
    }

    /**
     * Set user name
     *
     * @param string $name
     * @return void
     */
    private function setName(string $name)
    {
        $this->name = $name;
    }

    /**
     * Set user surname
     *
     * @param string $srName
     * @return void
     */
    private function setSrName(string $srName)
    {
        $this->srName = $srName;
    }

    /**
     * Get user name
     *
     * If need to do some operations or use in nav menu as a User Auth name
     *
     * @return string
     */
     public function getName() : string
     {
         return $this->name;
     }

     /**
      * Get user surname
      *
      * Using if need in a User info board
      *
      * @return string
      */
      public function getSrName() : string
      {
          return $this->srName;
      }

    /**
     * Get user name and surname
     * __toString
     *
     * @return string
     */
    public function GetUserName() : string
    {
        return sprintf('%s %s', $this->getName(), $this->getSrName());
    }

    /**
     * Set password
     *
     * Set user password
     * @return void
     */
    private function setPassword(string $password)
    {
        $this->password = md5($password);
    }

    /**
     * Get user hashed password
     *
     * @return string
     */
    public function getPassword() : string
    {
        return $this->password;
    }

    /**
     * Set user roles
     *
     * @param array $roles
     * @return void
     */
    private function setRoles(array $roles)
    {
        $this->roles = $roles;
    }

    /**
     * Get user roles
     *
     * @return array
     */
    public function getRoles() : array
    {
        return $this->roles;
    }

    /**
     * Check is user adult
     *
     * @return bool
     */
    public function isAdult() : bool
    {
        $now = new DateTime();
        return (($now->diff($this->dbo))->y > 17) ? true : false;
    }

}

$dbo = new DateTime('2015-04-08');
$user = new User('Bill','Johnson',['USER','ADMIN'],$dbo,'123wert');

if ($user->getUserName() == 'Bill Johnson') {
    echo "User name is correct\n";
} else {
    echo "User name is incorrect\n";
}

if ($user->getPassword() ==  md5('123wert')) {
    echo "User password is correct\n";
} else {
    echo "User password is incorrect\n";
}

if ($user->getRoles() == ['USER','ADMIN']) {
    echo "User has roles\n";
} else {
    echo "User hasn't roles\n";
}

if ($user->isAdult()) {
    echo "User is adult\n";
} else {
    echo "User is young (teen)\n";
}