Copy of Mecanographik's code without line numbers

/* current wp file : functions.php
purpose : hide all wp references in source code
for a Buddypress theme or child theme
You will have to edit your .htaccess file too
 (code at the bottom of this page...)
contact : mecanographik.fr
*/
// Hide The Fact That You’re Using WordPress ! //
//inspired by  source :
// http://benword.com/2011/how-to-hide-that-youre-using-wordpress/
/* ############################################### */
// Start by cleaning up the output of wp_head
remove_action('wp_head', 'feed_links', 2);
remove_action('wp_head', 'feed_links_extra', 3);
remove_action('wp_head', 'rsd_link');
remove_action('wp_head', 'wlwmanifest_link');
remove_action('wp_head', 'index_rel_link');
remove_action('wp_head', 'parent_post_rel_link', 10, 0);
remove_action('wp_head', 'start_post_rel_link', 10, 0);
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
remove_action('wp_head', 'wp_generator');
remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
remove_action('wp_head', 'noindex', 1);
// remove WordPress version from RSS feeds
function roots_no_generator() { return ''; }
add_filter('the_generator', 'roots_no_generator');
// Remove unnecessary scripts
if (!is_admin()) {
  wp_deregister_script('l10n');
}
// Remove unnecessary CSS
// remove CSS from recent comments widget
function roots_remove_recent_comments_style() {
  global $wp_widget_factory;
  if (isset($wp_widget_factory->widgets['WP_Widget_Recent_Comments'])) {
    remove_action('wp_head', array($wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style'));

  }

}

add_action('wp_head', 'roots_remove_recent_comments_style', 1);
// Hide /wp-content/
// Hide plugins and Buddypress references too
// Rewrite static theme assets and plugins directory
// rewrite /wp-content/themes/theme-name/css/ to /css/
// rewrite /wp-content/themes/theme-name/js/  to /js/
// rewrite /wp-content/themes/theme-name/img/ to /img/
// rewrite /wp-content/plugins/ to /plugins/
/* rewrite '/wp-content/plugins/buddypress/bp-themes/bp-default/_inc/' TO '/_inc/' */
function roots_flush_rewrites() {
  global $wp_rewrite;
  $wp_rewrite->flush_rules();

}

function roots_add_rewrites($content) {
  $theme_name = next(explode('/themes/', get_stylesheet_directory()));
  global $wp_rewrite;

  $roots_new_non_wp_rules = array(
    'css/(.*)'      => 'wp-content/themes/'. $theme_name . '/$1',
    //'js/(.*)'       => 'wp-content/themes/'. $theme_name . '/js/$1',
    //'img/(.*)'      => 'wp-content/themes/'. $theme_name . '/img/$1',
    'inc/(.*)'      => 'wp-includes/$1',
          'pl/(.*)'       => 'wp-content/plugins/$1',
    'ml/(.*)'       => 'wp-content/plugins/buddypress/bp-themes/bp-default/_inc/$1',
    'core/(.*)'     => 'wp-content/plugins/buddypress/bp-core/$1'
  );
  $wp_rewrite->non_wp_rules += $roots_new_non_wp_rules;
}

add_action('admin_init', 'roots_flush_rewrites');
function roots_clean_assets($content) {
    $theme_name = next(explode('/themes/', $content));
    $current_path = '/wp-content/themes/' . $theme_name;
    $new_path = '/css';
    $content = str_replace($current_path, $new_path, $content);
    return $content;
}
function roots_clean_plugins_bp($content) {
    $current_path = '/wp-content/plugins/buddypress/bp-themes/bp-default/_inc';
    $new_path = '/ml';
    $content = str_replace($current_path, $new_path, $content);
    return $content;
}
function roots_clean_plugins_bp_core($content) {
    $current_path = '/wp-content/plugins/buddypress/bp-core';
    $new_path = '/core';
    $content = str_replace($current_path, $new_path, $content);
    return $content;
}

function roots_clean_plugins($content) {
    $current_path = '/wp-content/plugins';
    $new_path = '/pl'; // or whatever you want for a new folder name
    $content = str_replace($current_path, $new_path, $content);

    return $content;

}

function roots_clean_includes($content) {
    $current_path = '/wp-includes';
    $new_path = '/inc';
    $content = str_replace($current_path, $new_path, $content);
    return $content;
}
add_action('generate_rewrite_rules', 'roots_add_rewrites');

if (!is_admin()) {
  add_filter('plugins_url', 'roots_clean_plugins_bp');
  add_filter('plugins_url', 'roots_clean_plugins');
  add_filter('bloginfo', 'roots_clean_assets');
  add_filter('stylesheet_directory_uri', 'roots_clean_assets');
  add_filter('template_directory_uri', 'roots_clean_assets');
  add_filter('script_loader_src', 'roots_clean_plugins_bp');
  add_filter('script_loader_src', 'roots_clean_plugins_bp_core');
  add_filter('script_loader_src', 'roots_clean_plugins');
  add_filter('script_loader_src', 'roots_clean_includes');
  add_filter('style_loader_src', 'roots_clean_includes');
  add_filter('style_loader_src', 'roots_clean_plugins_bp');
  add_filter('style_loader_src', 'roots_clean_plugins');
}
// Change location of WordPress uploads
update_option('uploads_use_yearmonth_folders', 0);
update_option('upload_path', 'ml-medias');
// Root relative URLs in WordPress
function roots_root_relative_url($input) {
  $output = preg_replace_callback(
    '!(https?://[^/|"]+)([^"]+)?!',
    create_function(
      '$matches',
      // if full URL is site_url, return a slash for relative root
      'if (isset($matches[0]) && $matches[0] === site_url()) { return "/";' .
      // if domain is equal to site_url, then make URL relative
      '} elseif (isset($matches[0]) && strpos($matches[0], site_url()) !== false) { return $matches[2];' .

      // if domain is not equal to site_url, do not make external link relative

      '} else { return $matches[0]; };'
    ),
    $input
  );
  return $output;

}

// workaround to remove the duplicate subfolder in the src of JS/CSS tags
// example: /subfolder/subfolder/css/style.css
function roots_fix_duplicate_subfolder_urls($input) {
  $output = roots_root_relative_url($input);
  preg_match_all('!([^/]+)/([^/]+)!', $output, $matches);
  if (isset($matches[1]) && isset($matches[2])) {
    if ($matches[1][0] === $matches[2][0]) {
      $output = substr($output, strlen($matches[1][0]) + 1);
    }

  }

  return $output;
}

if (!is_admin() && !in_array($GLOBALS['pagenow'], array('wp-login.php', 'wp-register.php'))) {
  add_filter('bloginfo_url', 'roots_root_relative_url');
  add_filter('theme_root_uri', 'roots_root_relative_url');
  add_filter('stylesheet_directory_uri', 'roots_root_relative_url');
  add_filter('template_directory_uri', 'roots_root_relative_url');
  add_filter('script_loader_src', 'roots_fix_duplicate_subfolder_urls');
  add_filter('style_loader_src', 'roots_fix_duplicate_subfolder_urls');
  add_filter('plugins_url', 'roots_root_relative_url');
  add_filter('the_permalink', 'roots_root_relative_url');
  add_filter('wp_list_pages', 'roots_root_relative_url');
  add_filter('wp_list_categories', 'roots_root_relative_url');
  add_filter('wp_nav_menu', 'roots_root_relative_url');
  add_filter('the_content_more_link', 'roots_root_relative_url');
  add_filter('the_tags', 'roots_root_relative_url');
  add_filter('get_pagenum_link', 'roots_root_relative_url');
  add_filter('get_comment_link', 'roots_root_relative_url');
  add_filter('month_link', 'roots_root_relative_url');
  add_filter('day_link', 'roots_root_relative_url');
  add_filter('year_link', 'roots_root_relative_url');
  add_filter('tag_link', 'roots_root_relative_url');
  add_filter('the_author_posts_link', 'roots_root_relative_url');
}
/*  ---------------------------------------------------------------------------------------------
and below the code to add to your .htaccess file :
Be carefull, replace "nameofyourchildtheme" with the name of your child theme placed in your 'wp-content/themes' folder...
------------------------------------------------------------------------------------------------*/
RewriteRule ^css/(.*) /wp-content/themes/nameofyourchildtheme/$1 [QSA,L]
RewriteRule ^js/(.*) /wp-content/themes/nameofyourchildtheme/js/$1 [QSA,L]
RewriteRule ^img/(.*) /wp-content/themes/nameofyourchildtheme/img/$1 [QSA,L]
RewriteRule ^pl/(.*) /wp-content/plugins/$1 [QSA,L]
RewriteRule ^ml/(.*) /wp-content/plugins/buddypress/bp-themes/bp-default/_inc/$1 [QSA,L]
RewriteRule ^core/(.*) /wp-content/plugins/buddypress/bp-core/$1 [QSA,L]
RewriteRule ^inc/(.*) /wp-includes/$1 [QSA,L]