wp remove all shit

wp-remove-all-shit.php

<?php

/**
 * Remove embeds
 */
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;
}

/**
 *  Disabling emoji library from Wordpress.
 */
function disable_emojis() {

	// Let's remove a bunch of actions & 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' );

	// We also take care of Tiny MCE.
	add_filter( 'tiny_mce_plugins', 'disable_emojis_tinymce' );
	add_filter( 'wp_resource_hints', 'disable_emojis_remove_dns_prefetch', 10, 2 );
}

// Let's do this at the init.
add_action( 'init', 'disable_emojis' );

/**
 * Filter funcion to remove the emoji plugin from TinyMCE.
 *
 * @param array $plugins
 *
 * @return array Difference betwen the two arrays.
 */
function disable_emojis_tinymce( $plugins ) {
	if ( is_array( $plugins ) ) {
		return array_diff( $plugins, array( 'wpemoji' ) );
	} else {
		return array();
	}
}

/**
 * Removing emoji CDN hostname from DNS prefetching hints.
 *
 * @param array $urls URLs to print for resource hints.
 * @param string $relation_type The relation type the URLs are printed for.
 *
 * @return array Difference betwen the two arrays.
 */
function disable_emojis_remove_dns_prefetch( $urls, $relation_type ) {
	if ( 'dns-prefetch' == $relation_type ) {
		/** This filter is documented in wp-includes/formatting.php */
		$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' );
		$urls          = array_diff( $urls, array( $emoji_svg_url ) );
	}

	return $urls;
}

/**
 * Remove jquery migrate
 */
function remove_jquery_migrate( $scripts ) {
	if ( ! is_admin() && isset( $scripts->registered['jquery'] ) ) {
		$script = $scripts->registered['jquery'];
		if ( $script->deps ) {
        // Check whether the script has any dependencies

			$script->deps = array_diff( $script->deps, array( 'jquery-migrate' ) );
		}
	}
}

add_action( 'wp_default_scripts', 'remove_jquery_migrate' );


/**
 * Remove DNS prefetch defaults from wordpress
 */
function remove_dns_prefetch( $hints, $relation_type ) {
	if ( 'dns-prefetch' === $relation_type ) {
		return array_diff( wp_dependencies_unique_hosts(), $hints );
	}

	return $hints;
}

add_filter( 'wp_resource_hints', 'remove_dns_prefetch', 10, 2 );

?>