oope lesson #2

<?php
include_once("connectDatabases.php");
class GuestBook{
    private $firstName;
    private $email;
    private $message;
    function __construct($firstName,$email,$message){
        $this->firstName = $firstName;
        $this->email     = $email;
        $this->message   = $message;
    }
    function  getText(){
        return "<b><em>Имя автора</b></em>: " . $this->firstName . "<br> <b><em>Почта: </b></em> " . " $this->email " . " <br> <b><em>Сообщение:</b></em> ". $this->message;
    }
    function save(){
        return mysql_query (" INSERT INTO guest_book (firstName,email,message)
                              VALUES(' {$this->firstName} ' , ' {$this->email} ' , ' {$this->message} ' )");
    }
    static function getALL(){
        $a = 1;
        $result = mysql_query("SELECT * FROM guest_book ");
        $array = array();
        while ($categories = mysql_fetch_array($result)) {
            $array[] = $categories;

        }
        foreach($array as $key =>$value){
            echo "<b>№" . $a++ .
                 "<b> Имя </b>: " . $value['firstName'] ."<br>" .
                 "<b> <em> Текст: </em></b>" . $value['message'] . "<hr>";
        }
    }


}
$name = 'Виктор';
$object = new GuestBook( $name ,'[email protected]','HELL');

 GuestBook::getALL();