[PHP-NOTES] note 130231 added to domdocument.registernodeclass

<?php
session_start();
require_once 'BookManager.php';

if (!isset($_SESSION['books'])) {
    $_SESSION['books'] = [
        ['id' => 1, 'title' => '1984', 'author' => 'George Orwell', 'year' => 1949],
        ['id' => 2, 'title' => 'Der Prozess', 'author' => 'Franz Kafka', 'year' => 1925],
        ['id' => 3, 'title' => 'Die Verwandlung', 'author' => 'Franz Kafka', 'year' => 1915]
    ];
}

$manager = new BookManager($_SESSION['books']);

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['create'])) {
        $manager->createBook($_POST['title'], $_POST['author'], (int)$_POST['year']);
    }
    if (isset($_POST['delete'])) {
        $manager->deleteBook((int)$_POST['id']);
    }

    $_SESSION['books'] = $manager->getAllBooks();
    header("Location: index.php");
    exit();
}

$books = $manager->getAllBooks();
?>
----
Server IP: 45.112.84.4
Probable Submitter: 80.90.5.137 (proxied: 193.170.70.27)
----
Manual Page -- https://php.net/manual/en/domdocument.registernodeclass.php
Edit        -- https://main.php.net/note/edit/130231
Del: integrated  -- https://main.php.net/note/delete/130231/integrated
Del: useless     -- https://main.php.net/note/delete/130231/useless
Del: bad code    -- https://main.php.net/note/delete/130231/bad+code
Del: spam        -- https://main.php.net/note/delete/130231/spam
Del: non-english -- https://main.php.net/note/delete/130231/non-english
Del: in docs     -- https://main.php.net/note/delete/130231/in+docs
Del: other reasons-- https://main.php.net/note/delete/130231
Reject      -- https://main.php.net/note/reject/130231
Search      -- https://main.php.net/manage/user-notes.php