How to use a WordPress’ existing admin icon?

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I use the add_menu_page function to add an new admin menu: 

add_menu_page(
    'Custom_menu',
    'Custom_menu',
    'edit_posts',
    'custom_slug',
    '',
    'wordpress_existing_icon',
    5
);

How to use one of WordPress’ existing icons?

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For instance, if I would like to use the “Posts” WordPress icon, by what must I replace 'wordpress_existing_icon' in the code above ?

I tried 'edit' and 'edit-posts' but it doesn’t work.

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3 comments

  1. add_menu_page(); as far as I can tell does not work with screen_icon or the default CSS parameters. The $icon paramater only takes 2 options, an url or div (well 3 if you leave it empty), so that leaves you with these options:

    1. Hard-code the link to the icons which are located in wp-includes/images/wpicons.png. This is an image slice of all the icons.

    2. Just cut out the icon you want in a photo editor and include it as a stand-alone image in your plugin folder like the codex example.

    3. Use the div parameter and define it via CSS. For example;

    –

     add_menu_page(
               'custom menu title', 
               'custom menu', 
               'add_users', 
               'myplugin/myplugin-index.php', 
               '', 
               'div', //this part
               6);

    To elaborate on the previous answer when using screen_icon('edit'); here is the list:

    • edit
    • upload
    • link-manager
    • edit-pages
    • edit-comments
    • themes
    • plugins
    • users
    • tools
    • options-general

    You can also contain them in a div like :

    <div id="icon-edit" class="icon32"></div>

    Style reference: http://codex.wordpress.org/User:Wycks/Styling_Option_Pages:

  2. Apparently this code is working for me : 

    add_menu_page( 
    __( 'Test Book', 'testbook' ),
    'Test Book',
    'manage_options',
    'includes/admin-options.php',
    'test_book_menu_page',
    'dashicons-building',
   7
);

    I simply added ‘dashicons-building’ as shown in the code above.

    enter image description here

  3. When you call the screen_icon function, put the page id from which you want to get the icon. For instance, if you want posts icon, use either screen_icon('edit'); or screen_icon('post');

    About here, you can leave it to false or null or maybe put “div” here. I read somewhere in the codex that “div” should be used whenever there’s supposed to be some custom CSS