Author

17class Author18{19    /**20     * Author's name21     *22     * @var ?string23     * @see get_name()24     */25    public $name;26 27    /**28     * Author's link29     *30     * @var ?string31     * @see get_link()32     */33    public $link;34 35    /**36     * Author's email address37     *38     * @var ?string39     * @see get_email()40     */41    public $email;42 43    /**44     * Constructor, used to input the data45     */46    public function __construct(47        ?string $name = null,48        ?string $link = null,49        ?string $email = null50    ) {51        $this->name = $name;52        $this->link = $link;53        $this->email = $email;54    }55 56    /**57     * String-ified version58     *59     * @return string60     */61    public function __toString()62    {63        // There is no $this->data here64        return md5(serialize($this));65    }66 67    /**68     * Author's name69     *70     * @return string|null71     */72    public function get_name()73    {74        if ($this->name !== null) {75            return $this->name;76        }77 78        return null;79    }80 81    /**82     * Author's link83     *84     * @return string|null85     */86    public function get_link()87    {88        if ($this->link !== null) {89            return $this->link;90        }91 92        return null;93    }94 95    /**96     * Author's email address