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I have a custom post type menu called "Notes". It has two basic sub menus: add new and show all.

But I want to add more items under these post type but the default array just gave me these. How can I add unlimited items?

I'm tired searching, but no result...

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2 Answers 2

up vote 2 down vote accepted

First of all, searching with wrong keyword won't give you any right solution. It's a hint that, you are dealing with Admin menu, and anything under a menu drop down is called a sub menu - so you should search with something like: How to add submenu to any admin menu item + WordPress?. :)

Anyways, you have a wrong concept like adding Unlimited sub menu under a Custom Post Type - though you can (may) do it - but that would be irrelevant if that doesn't match with the purpose of that post type (CPT).

Now come to your question:

So in your case the code can be:

<?php
function register_my_custom_submenu_page()
{
 add_submenu_page(
   'edit.php?post_type=notes', //parent menu slug
   'New Page Title', //menu page title
   'New Menu Title',   //menu title
   'edit_posts', // capability
   'new_menu_slug', //menu slug/unique ID
   'submenu_callback' //callback function
 );
}

add_action('admin_menu', 'register_my_custom_submenu_page');

/* Callback Function */
/* It will be visible when you will click the sub menu */
function submenu_callback() {
   echo '<h2>HERE IS WHAT MY PAGE IS ABOUT</h2>';
   echo '<p>Here is what my page says</p>';
}
?>
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thanks for your great advices .. i have tired to search with to many word's ... your answer help me thx again ... best regards ... so what if i want to show the content that exported from Note type post in the submenu page ?? –  Azmy Feb 17 at 7:04
    
:) That's a different question. Try more searching... :) and $wpdb or WP_Query() may help you. Good luck. –  Mayeenul Islam Feb 17 at 7:10

Try this..

function my_cpt_extra_menus() {
    //Add Submenu Page
    add_submenu_page( 'edit.php?post_type=my_cpt', 'Submenu Page Title', 'Menu Title', 'manage_options', 'slug_for_this_menu', 'function_to_output_html' );
}
add_action( 'admin_menu', 'my_cpt_extra_menus' );
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thx v.match it's work :D –  Azmy Feb 17 at 6:09

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