إضافة نوع محتوى للكتب بإستخدام register_post_type

<?php
/*
Plugin Name: Academy Demo 5
*/

if (!defined("ABSPATH")) { exit; }

function ezl_register_books() {
    register_post_type('ezl_book', [
        'labels' => ['name' => 'Books', 'singular_name' => 'Book'],
        'public' => true,
        'show_in_rest' => true,
        'has_archive' => true,
        'rewrite' => ['slug' => 'library'],
        'supports' => ['title', 'editor', 'excerpt'],
    ]);
}
add_action('init', 'ezl_register_books');
register_activation_hook(__FILE__, function () {
    ezl_register_books();
    flush_rewrite_rules();
});