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WordPress add submenu page()

From WikiOD

This function is to add a sub-item to an existing item in the admin panels nav bar.

Syntax[edit | edit source]

  • add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function )

Parameters[edit | edit source]

Parameter Details
$parent_slug (string) The slug name for the parent menu (or the file name of a standard WordPress admin page).
$page_title (string) The text to be displayed in the title tags of the page when the menu is selected.
$menu_title (string) The text to be used for the menu.
$capability (string) The capability required for this menu to be displayed to the user.
$menu_slug (string) The slug name to refer to this menu by (should be unique for this menu).
$function (callable) (Optional) The function to be called to output the content for this page.

Remarks[edit | edit source]

Here are a list of slugs for $parent_slug

  • Dashboard: ‘index.php’
  • Posts: ‘edit.php’
  • Media: ‘upload.php’
  • Pages: ‘edit.php?post_type=page’
  • Comments: ‘edit-comments.php’
  • Custom Post Types: ‘edit.php?post_type=your_post_type’
  • Appearance: ‘themes.php’
  • Plugins: ‘plugins.php’
  • Users: ‘users.php’
  • Tools: ‘tools.php’
  • Settings: ‘options-general.php’
  • Network Settings: ‘settings.php’

Adding the "Submenu Page" as a sub-page of "Tools" to the nav bar[edit | edit source]

Code

add_action('admin_menu', 'register_my_custom_submenu_page');

function register_my_custom_submenu_page() {
    add_submenu_page(
        'tools.php',
        'Submenu Page',
        'My Custom Submenu Page',
        'manage_options',
        'my-custom-submenu-page',
        'my_custom_submenu_page_content' );
}

function my_custom_submenu_page_content() {
    echo '<div class="wrap">';
        echo '<h2>Page Title</h2>';
    echo '</div>';
}

Output

add_submenu_page()

Explanation

In the code, we created a function named register_my_custom_submenu_page and we used add_submenu_page to add the item to the navbar as a child of tools.php, which is the Tools page.

Please check the parameters part in this page to know about the arguments we passed in. Then we used add_action to run our register_my_custom_submenu_page function. Finally, we created the function my_custom_submenu_page_content to display contents in the page.

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