WordPress ~ Remove emojicons scripts - #frontend #backend #optimisation

functions.php

<?php

/**
 * Disable emojicons introduced with WP 4.2 in frontend panel.
 * 
 * @uses remove_action()
 * @uses add_filter()
 * @see https://github.com/crewstyle/clean-wordpress
 */
add_action('init', '_cw_disable_wp_emojicons');
function _cw_disable_wp_emojicons()
{
  //All actions related to emojis
  remove_action('wp_head', 'print_emoji_detection_script', 7);
  remove_action('wp_print_styles', 'print_emoji_styles');
  remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
  remove_filter('the_content_feed', 'wp_staticize_emoji');
  remove_filter('comment_text_rss', 'wp_staticize_emoji');
}

/**
 * Disable emojicons introduced with WP 4.2 in backend panel.
 * 
 * @see https://github.com/crewstyle/clean-wordpress
 * @uses remove_action()
 * @uses add_filter()
 */
add_action('init', '_cw_disable_wp_emojicons');
function _cw_disable_wp_emojicons()
{
  //All actions related to emojis
  remove_action('admin_print_styles', 'print_emoji_styles');
  remove_action('admin_print_scripts', 'print_emoji_detection_script');
  remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
  //Filter function used to remove the tinymce emoji plugin
  add_filter('tiny_mce_plugins', '_cw_disable_emojicons_tinymce');
}
function _cw_disable_emojicons_tinymce($plugins)
{
  if (is_array($plugins)) {
    return array_diff($plugins, array('wpemoji'));
  }

  return array();
}