wp_custom menu

custom-menu.php

<?php 



/*-----------------------------------------------------------------------------------*/
/* Register Custom Menus, and Create Default Menus, Assign to Theme Locations
$defaults = array(
		'menu-item-db-id' => $menu_item_db_id,
		'menu-item-object-id' => 0,
		'menu-item-object' => '',
		'menu-item-parent-id' => 0,
		'menu-item-position' => 0,
		'menu-item-type' => 'custom',
		'menu-item-title' => '',
		'menu-item-url' => '',
		'menu-item-description' => '',
		'menu-item-attr-title' => '',
		'menu-item-target' => '',
		'menu-item-classes' => '',
		'menu-item-xfn' => '',
		'menu-item-status' => '',
	);
/*-----------------------------------------------------------------------------------*/

add_action('load-themes.php', 'themeit_register_custom_menu');

function themeit_register_custom_menu() {
  register_nav_menu( 'main_menu', __('Main Menu') );

  if ( isset( $_GET['activated'] ) && $_GET['activated'] ) {
    if ( !is_nav_menu( 'Main Menu' ) ) {
      $menu_id = wp_create_nav_menu( 'Main Menu' );

      $menu_home = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'),'menu-item-title' => 'Home', 'menu-item-attr-title' => 'Home' );
      $menu_twitter = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'),'menu-item-title' => 'Twitter', 'menu-item-attr-title' => 'Twitter', 'menu-item-classes' => 'twitter' );
      $menu_subscribe = array( 'menu-item-type' => 'custom', 'menu-item-url' => get_home_url('/'),'menu-item-title' => 'Subscribe', 'menu-item-attr-title' => 'Subscribe', 'menu-item-classes' => 'subscribe' );

      wp_update_nav_menu_item( $menu_id, 0, $menu_home );
      wp_update_nav_menu_item( $menu_id, 0, $menu_twitter );
      wp_update_nav_menu_item( $menu_id, 0, $menu_subscribe );

      set_theme_mod( 'nav_menu_locations', array(
        'main_menu' => $menu_id,
      ) );
    }
  }
}

?>