Customizing WordPress Admin Panel Plugin

customize-wp-admin-panel-plugin.php

<?php
/**
 *
 * Customizing WordPress Admin Panel Plugin
 *
 * @link              https://www.fernan.com.es/
 * @since             1.0.0
 *
 * Plugin Name:       Customizing WordPress Admin Panel Plugin
 * Plugin URI:        https://www.betabeers.com/blog/
 * Description:       Plugin para personalizar el panel de administración de WordPress
 * Version:           1.0.0
 * Author:            Fernan Díez
 * Author URI:        https://www.fernan.com.es/
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       customize-wp-admin-panel-plugin
 * Domain Path:       /languages
 */

// Modificar el estilo de colores de panel
function set_default_admin_color($user_id) {
    $args = array(
        'ID' => $user_id,
        'admin_color' => 'sunrise'
    );
    wp_update_user( $args );
}
add_action('user_register', 'set_default_admin_color');


// Añadir enlaces en la barra de herramientas
function custom_toolbar_link($wp_admin_bar) {
    $args = array(
        'id' => 'support',
        'title' => 'Help Section', 
        'href' => 'https://www.google.com', 
        'meta' => array(
            'class' => 'support', 
            'title' => 'Help Section'
            )
    );
    $wp_admin_bar->add_node($args);
}
add_action('admin_bar_menu', 'custom_toolbar_link', 999);

// Modificar el pie de página del panel
function remove_footer_admin () {
echo 'Powered by <a href="http://www.wordpress.org" target="_blank">WordPress</a> | Built by <a href="https://acme.com/" target="_blank">Acme Inc</a>';
}
add_filter('admin_footer_text', 'remove_footer_admin');

// Eliminar enlaces a WordPress.org de la barra de herramientas
add_action( 'admin_bar_menu', 'remove_wp_logo', 999 );
 
function remove_wp_logo( $wp_admin_bar ) {
    $wp_admin_bar->remove_node( 'wp-logo' );
}

// Eliminar enlaces de la barra de administración
function remove_admin_bar_links() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('wp-logo');          // Remove the WordPress logo
    $wp_admin_bar->remove_menu('about');            // Remove the about WordPress link
    $wp_admin_bar->remove_menu('wporg');            // Remove the WordPress.org link
    $wp_admin_bar->remove_menu('documentation');    // Remove the WordPress documentation link
    $wp_admin_bar->remove_menu('support-forums');   // Remove the support forums link
    $wp_admin_bar->remove_menu('feedback');         // Remove the feedback link
    $wp_admin_bar->remove_menu('site-name');        // Remove the site name menu
    $wp_admin_bar->remove_menu('view-site');        // Remove the view site link
    $wp_admin_bar->remove_menu('updates');          // Remove the updates link
    $wp_admin_bar->remove_menu('comments');         // Remove the comments link
    $wp_admin_bar->remove_menu('new-content');      // Remove the content link
    $wp_admin_bar->remove_menu('my-account');       // Remove the user details tab
}
add_action( 'wp_before_admin_bar_render', 'remove_admin_bar_links' );

// Eliminar enlaces de la barra de administración salvo para administradores
function remove_admin_bar_links() {
    global $wp_admin_bar, $current_user;
    
    if ($current_user->ID != 1) {
        $wp_admin_bar->remove_menu('updates');          // Remove the updates link
        $wp_admin_bar->remove_menu('comments');         // Remove the comments link
        $wp_admin_bar->remove_menu('new-content');      // Remove the content link
    }
}
add_action( 'wp_before_admin_bar_render', 'remove_admin_bar_links' );

// Eliminar elementos del menú principal
 function remove_menus(){
   remove_menu_page( 'index.php' );                  //Dashboard
   remove_menu_page( 'jetpack' );                    //Jetpack* 
   remove_menu_page( 'edit.php' );                   //Posts
   remove_menu_page( 'upload.php' );                 //Media
   remove_menu_page( 'edit.php?post_type=page' );    //Pages
   remove_menu_page( 'edit-comments.php' );          //Comments
   remove_menu_page( 'themes.php' );                 //Appearance
   remove_menu_page( 'plugins.php' );                //Plugins
   remove_menu_page( 'users.php' );                  //Users
   remove_menu_page( 'tools.php' );                  //Tools
   remove_menu_page( 'options-general.php' );        //Settings
   }
  add_action( 'admin_menu', 'remove_menus' );

// Modificar el logotipo de acceso
function my_login_logo() { ?>
    <style type="text/css">
        #login h1 a, .login h1 a {
		background-image: url('<?php echo get_stylesheet_directory_uri();?>/acme.png') !important;
		width: 320px !important;
		height: 240px !important;
		background-size: 320px 240px !important;
        }
    </style>
<?php }
add_action( 'login_enqueue_scripts', 'my_login_logo' );

<pre>
// Reordenar los elementos comunes del menú de administración
function custom_menu_order($menu_ord) {
  if (!$menu_ord) return true;
  return array(
    'index.php',               // Dashboard
    'upload.php',              // Media
    'plugins.php',             // Plugins
    'edit-comments.php',       // Comments
    'edit.php?post_type=page', // Pages
    'edit.php',                // Posts
  );
}
add_filter('custom_menu_order', 'custom_menu_order');
add_filter('menu_order', 'custom_menu_order');
</pre>

// Eliminar widgets de contenido de la portada
add_action('wp_dashboard_setup', 'my_custom_dashboard_widgets');
function my_custom_dashboard_widgets() {
  global $wp_meta_boxes;
  unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_right_now']);  //remove at-a-glance
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);    //remove WordPress-newsfeed
  unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_quick_press']);  //remove quick-draft
}
  
// Añadir widgets de contenido en la portada del panel
add_action('wp_dashboard_setup', 'recopilatorio_dashboard_widgets');
  
function recopilatorio_dashboard_widgets() {
global $wp_meta_boxes;
 
wp_add_dashboard_widget('recopilatorio_help_widget', 'Help Section Title', 'recopilatorio_dashboard_help');
}
 
function recopilatorio_dashboard_help() {
echo '<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum posuere ipsum at porttitor lobortis. </p>';
}