Wordpress: Disable Emojis

disable-emoji-wordpress.php

<?php
/**
 * Disable Emojis
 *
 * @package     Package
 * @subpackage  Package/SubPackage
 * @copyright   Copyright (c) 2014, Your Name
 * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since       0.0.1
 * @author      Your Name <email@domain.com>
 */

if( !class_exists( 'PREFIX_Disable_Emojis' ) ) {
  class PREFIX_Disable_Emojis {

    /**
     * Initialize the class
     *
     * @since 0.0.1
     */
    public function __construct() {
      add_action( 'init', array( $this, 'remove_filters' ) );
      add_action( 'init', array( $this, 'add_filters' ) );
      $this->remove_tinymce_plugin();
    }

    /**
     * Remove Filters
     * 
     * @since 0.0.1
     * @return void
     */
    public function remove_filters() {
      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 Filters
     * 
     * @since 0.0.1
     * @return void
     */
    public function add_filters() {
      add_filter( 'tiny_mce_plugins', array( $this, 'remove_tinymce_plugin' ) );
    }

    /**
     * Disable TinyMCE Plugin
     * 
     * @since 0.0.1
     * @return void
     */
    public function remove_tinymce_plugin() {
      global $plugins;
      if ( is_array( $plugins ) ) {
        return array_diff( $plugins, array( 'wpemoji' ) );
      } else {
        return array();
      }
    }
  }
} // end PREFIX_Disable_Emojis

/**
 * Usage
 */
$disable_emojis = new PREFIX_Disable_Emojis();