emojis.php

<?php

/**
 * Remove emoji support
 * @link https://codex.wordpress.org/Emoji
 */
add_action( 'init', function () {
  remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
  remove_action( 'wp_print_styles', 'print_emoji_styles' );
  remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
  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( 'emoji_svg_url', '__return_false' );

  // Filter to remove TinyMCE emojis
  add_filter( 'tiny_mce_plugins', function ( $plugins ) {
    if ( is_array( $plugins ) ) {
      return array_diff( $plugins, array( 'wpemoji' ) );
    }

    return array();
  });
});