WordPress Admin Bar, Dashboard, head and footer Clean Up

gistfile1.txt

<?php
//
//
// Below is the code that cleans up dashboard and admin bar
//
//


//
// Remove admin bar from frontend
//
add_filter('show_admin_bar', '__return_false');

//
// Clean up dashboard
//
function disable_default_dashboard_widgets()
{
  // WordPress dashboards
  remove_meta_box('dashboard_right_now', 'dashboard', 'core');
  //remove_meta_box('dashboard_activity', 'dashboard', 'core');
  remove_meta_box('dashboard_recent_comments', 'dashboard', 'core');
  remove_meta_box('dashboard_incoming_links', 'dashboard', 'core');
  remove_meta_box('dashboard_plugins', 'dashboard', 'core');
  remove_meta_box('dashboard_quick_press', 'dashboard', 'core');
  remove_meta_box('dashboard_recent_drafts', 'dashboard', 'core');
  remove_meta_box('dashboard_primary', 'dashboard', 'core');
  remove_meta_box('dashboard_secondary', 'dashboard', 'core');

  // Yoast SEO dashboard
  remove_meta_box('wpseo-dashboard-overview', 'dashboard', 'side');
  // Gravity form dashboard
  remove_meta_box('rg_forms_dashboard', 'dashboard', 'core');
  // Wordfence dashboard
  remove_meta_box('wordfence_activity_report_widget', 'dashboard', 'core');
}

add_action('admin_init', 'disable_default_dashboard_widgets');

// This just won't go away like the others
function disable_some_widgets_wont_go_away()
{
  // Redux framework
  remove_meta_box('redux_dashboard_widget', 'dashboard', 'side');
}

add_action('admin_bar_menu', 'disable_some_widgets_wont_go_away');

//
// Remove welcome panel
//
remove_action('welcome_panel', 'wp_welcome_panel');

//
// Remove Yoast SEO link from admin bar
//
function seo_admin_bar()
{
  global $wp_admin_bar;
  $wp_admin_bar->remove_menu('wpseo-menu');
}

add_action('wp_before_admin_bar_render', 'seo_admin_bar', 999);

function gf_admin_bar()
{
  global $wp_admin_bar;
  $wp_admin_bar->remove_menu('gform-forms');
}

add_action('wp_before_admin_bar_render', 'gf_admin_bar', 999);

//
// Remove admin bar logo
//
function remove_wp_logo($wp_admin_bar)
{
  $wp_admin_bar->remove_node('wp-logo');
}

add_action('admin_bar_menu', 'remove_wp_logo', 999);

//
// Remove comment from admin bar
//
function remove_comment_from_admin_bar()
{
  global $wp_admin_bar;
  $wp_admin_bar->remove_menu('comments');
}

add_action('wp_before_admin_bar_render', 'remove_comment_from_admin_bar');

//
// Remove comment from admin menu
//
function remove_comment_from_admin_menus()
{
  remove_menu_page('edit-comments.php');
}

add_action('admin_menu', 'remove_comment_from_admin_menus');

//
// Remove comment support from post and pages
//
function remove_comment_support()
{
  remove_post_type_support('post', 'comments');
  remove_post_type_support('page', 'comments');
}

add_action('init', 'remove_comment_support', 100);

//
//
// Below is the to clean up the head/footer.
// I also could stop using wp_head() but future plugins and methods that injects anything to head/footer will cease to work.
//
//

//
// Disable the emoji's
// https://kinsta.com/knowledgebase/disable-emojis-wordpress/#disable-emojis-code
//
function disable_emojis()
{
  remove_action('wp_head', 'print_emoji_detection_script', 7);
  remove_action('admin_print_scripts', 'print_emoji_detection_script');
  remove_action('wp_print_styles', 'print_emoji_styles');
  remove_action('admin_print_styles', 'print_emoji_styles');
  remove_filter('the_content_feed', 'wp_staticize_emoji');
  remove_filter('comment_text_rss', 'wp_staticize_emoji');
  remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
  add_filter('tiny_mce_plugins', 'disable_emojis_tinymce');
  add_filter('wp_resource_hints', 'disable_emojis_remove_dns_prefetch', 10, 2);
}
add_action('init', 'disable_emojis');

/**
 * Filter function used to remove the tinymce emoji plugin.
 * 
 * @param array $plugins 
 * @return array Difference betwen the two arrays
 */
function disable_emojis_tinymce($plugins)
{
  if (is_array($plugins)) {
    return array_diff($plugins, array('wpemoji'));
  } else {
    return array();
  }
}

/**
 * Remove emoji CDN hostname from DNS prefetching hints.
 *
 * @param array $urls URLs to print for resource hints.
 * @param string $relation_type The relation type the URLs are printed for.
 * @return array Difference betwen the two arrays.
 */
function disable_emojis_remove_dns_prefetch($urls, $relation_type)
{
  if ('dns-prefetch' == $relation_type) {
    /** This filter is documented in wp-includes/formatting.php */
    $emoji_svg_url = apply_filters('emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/');

    $urls = array_diff($urls, array($emoji_svg_url));
  }

  return $urls;
}


//
// Disable embeds
// https://kinsta.com/knowledgebase/disable-embeds-wordpress/#disable-embeds-code
//
function disable_embeds_code_init()
{

  // Remove the REST API endpoint.
  remove_action('rest_api_init', 'wp_oembed_register_route');

  // Turn off oEmbed auto discovery.
  add_filter('embed_oembed_discover', '__return_false');

  // Don't filter oEmbed results.
  remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10);

  // Remove oEmbed discovery links.
  remove_action('wp_head', 'wp_oembed_add_discovery_links');

  // Remove oEmbed-specific JavaScript from the front-end and back-end.
  remove_action('wp_head', 'wp_oembed_add_host_js');
  add_filter('tiny_mce_plugins', 'disable_embeds_tiny_mce_plugin');

  // Remove all embeds rewrite rules.
  add_filter('rewrite_rules_array', 'disable_embeds_rewrites');

  // Remove filter of the oEmbed result before any HTTP requests are made.
  remove_filter('pre_oembed_result', 'wp_filter_pre_oembed_result', 10);
}

add_action('init', 'disable_embeds_code_init', 9999);

function disable_embeds_tiny_mce_plugin($plugins)
{
  return array_diff($plugins, array('wpembed'));
}

function disable_embeds_rewrites($rules)
{
  foreach ($rules as $rule => $rewrite) {
    if (false !== strpos($rewrite, 'embed=true')) {
      unset($rules[$rule]);
    }
  }
  return $rules;
}

//
// Remove junk from head
//
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'rest_output_link_wp_head');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
remove_action('wp_head', 'wp_resource_hints', 2);

//
// Remove Gutenberg Block Library CSS from loading on the frontend
//
function smartwp_remove_wp_block_library_css()
{
  wp_dequeue_style('wp-block-library');
  wp_dequeue_style('wp-block-library-theme');
  wp_dequeue_style('wc-block-style');
}
add_action('wp_enqueue_scripts', 'smartwp_remove_wp_block_library_css', 100);

//
// Remove Yoast comments and other junk
//
add_filter('wpseo_debug_markers', '__return_false');
function disable_yoast_schema_data($data)
{
  $data = array();
  return $data;
}
add_filter('wpseo_json_ld_output', 'disable_yoast_schema_data', 10, 1);