Disable emojis in WordPress

disable-emojis-wordpress.php

<?php
//Disable emojis in WordPress
add_action( 'init', 'smartwp_disable_emojis' );

function smartwp_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_filter( 'the_content_feed', 'wp_staticize_emoji' );
  remove_action( 'admin_print_styles', 'print_emoji_styles' );
  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' );
}

function disable_emojis_tinymce( $plugins ) {
  if ( is_array( $plugins ) ) {
    return array_diff( $plugins, array( 'wpemoji' ) );
  } else {
    return array();
  }
}