Chỉnh vị trí menu ở trong admin wordpress

function wpse_custom_menu_order( $menu_ord ) {
    if ( !$menu_ord ) return true;

    return array(
        'index.php', // Dashboard
        'separator1', // First separator
        'edit.php', // Posts
        'edit.php?post_type=page', // Pagess
        'edit.php?post_type=portfolio', // Portfolio
        'edit-comments.php', // Comments
        'upload.php', // Media
        'separator2', // Second separator
        'themes.php', // Appearance
        'plugins.php', // Plugins
        'users.php', // Users
        'tools.php', // Tools
        'options-general.php', // Settings
        'separator-last', // Last separator
    );
}
add_filter( 'custom_menu_order', 'wpse_custom_menu_order', 10, 1 );
add_filter( 'menu_order', 'wpse_custom_menu_order', 10, 1 );

/**
 * Activates the 'menu_order' filter and then hooks into 'menu_order'
 */
add_filter('custom_menu_order', function() { return true; });
add_filter('menu_order', 'my_new_admin_menu_order');
/**
 * Filters WordPress' default menu order
 */
function my_new_admin_menu_order( $menu_order ) {
  // define your new desired menu positions here
  // for example, move 'upload.php' to position #9 and built-in pages to position #1
  $new_positions = array(
    'upload.php' => 9,
    'edit.php?post_type=page' => 2,
    'edit.php?post_type=portfolio' => 3
  );
  // helper function to move an element inside an array
  function move_element(&$array, $a, $b) {
    $out = array_splice($array, $a, 1);
    array_splice($array, $b, 0, $out);
  }
  // traverse through the new positions and move 
  // the items if found in the original menu_positions
  foreach( $new_positions as $value => $new_index ) {
    if( $current_index = array_search( $value, $menu_order ) ) {
      move_element($menu_order, $current_index, $new_index);
    }
  }
  return $menu_order;
};