add menu page and sub menu page wordpress plugin

 

add menu page and sub menu page

=========================================================================

add_menu_page( string $page_title, string $menu_title, string $capability, string $menu_slug, callable $function = '', string $icon_url = '', int $position = null )

add_submenu_page( string $parent_slug, string $page_title, string $menu_title, string $capability, string $menu_slug, callable $function = '', int $position = null )

...........

 function custom_plugin(){

    add_menu_page(   //for menu

    'customplugin',

    'Custom Plugin',

    'manage_options',

    'custom-plugin',

    'custom_plugin_function',

    'dashicons-admin-site-alt2',

    2

    );

    add_submenu_page(   //for sub menu

'custom-plugin',

'Add New',

'Add New',

'manage_options',

'add-new',

'add_new_function'

);

add_submenu_page(   //for sub menu

'custom-plugin',

'All Pages',

'All Pages',

'manage_options',

'all-pages',

'add_new_function2'

);

   }

   add_action('admin_menu', 'custom_plugin');

   function custom_plugin_function(){    //for menu

    echo "<h1>Hello, Zakir BD</h1>";

   }

   function add_new_function(){       //for sub menu

echo "<h1>Hello submenu</h1>";

}

function add_new_function2(){    //for sub menu

echo "<h1>Hello all pages</h1>";

}

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