Plugin to disable Wordpress oembed functionality

disable-oembed.php

<?php
/*
Plugin Name:  Disable Emojis
Description:  Disable Wordpress emoji functionality
Version:      1.0.0
Author:       Lars Graubner
Author URI:   https://larsgraubner.com
License:      MIT License
*/

function disable_embeds_code_init() {

    // Remove the REST API endpoint.
    remove_action('rest_api_init', 'wp_oembed_register_route');

    // Turn off oEmbed auto discovery.
    add_filter('embed_oembed_discover', '__return_false');

    // Don't filter oEmbed results.
    remove_filter('oembed_dataparse', 'wp_filter_oembed_result', 10);

    // Remove oEmbed discovery links.
    remove_action('wp_head', 'wp_oembed_add_discovery_links');

    // Remove oEmbed-specific JavaScript from the front-end and back-end.
    remove_action('wp_head', 'wp_oembed_add_host_js');
    add_filter('tiny_mce_plugins', 'disable_embeds_tiny_mce_plugin');

    // Remove all embeds rewrite rules.
    add_filter('rewrite_rules_array', 'disable_embeds_rewrites');

    // Remove filter of the oEmbed result before any HTTP requests are made.
    remove_filter('pre_oembed_result', 'wp_filter_pre_oembed_result', 10);
}
add_action('init', 'disable_embeds_code_init', 9999);

function disable_embeds_tiny_mce_plugin($plugins) {
    return array_diff($plugins, array('wpembed'));
}

function disable_embeds_rewrites($rules) {
    foreach($rules as $rule => $rewrite) {
        if(false !== strpos($rewrite, 'embed=true')) {
            unset($rules[$rule]);
        }
    }
    return $rules;
}