[wpkama embed] https://wp-kama.ru/11130 Kama_Disable_Gutenberg

Kama_Disable_Gutenberg.php

<?php
/***
 * Disables Gutenberg (the new block editor in WordPress).
 *
 * @version 2.0
 */

did_action( 'plugins_loaded' )
	? Kama_Disable_Gutenberg::init()
	: add_action( 'plugins_loaded', [ Kama_Disable_Gutenberg::class, 'init' ] );

final class Kama_Disable_Gutenberg {

	public static function init() {
		add_filter( 'use_block_editor_for_post_type', '__return_false', 100 );

		// disable <style id='global-styles-inline-css'>body{--wp--preset--color--black: #000000; ...
		// see wp_enqueue_global_styles()
		remove_action( 'wp_enqueue_scripts', 'wp_enqueue_global_styles' );
		remove_action( 'wp_footer', 'wp_enqueue_global_styles', 1 );

		remove_theme_support( 'core-block-patterns' ); // WP 5.5

		// disable basic css styles for blocks
		// IMPORTANT! when widgets on blocks or something else will be released, this line will need to be commented out.
		remove_action( 'wp_enqueue_scripts', 'wp_common_block_scripts_and_styles' );

		// don't do noneeded operations
		remove_filter( 'the_content', 'do_blocks', 9 );
		remove_filter( 'widget_block_content', 'do_blocks', 9 );

		add_action( 'admin_init', [ __CLASS__, 'on_admin_init' ] );

		self::remove_gutenberg_hooks();
	}

	public static function on_admin_init(){
		// Move the Privacy Policy help notice back under the title field.
		remove_action( 'admin_notices', [ WP_Privacy_Policy_Content::class, 'notice' ] );
		add_action( 'edit_form_after_title', [ WP_Privacy_Policy_Content::class, 'notice' ] );
	}

	/**
	 * Copy from Classic Editor plugin v1.6.3.
	 * @see https://plugins.svn.wordpress.org/classic-editor/trunk/classic-editor.php
	 */
	private static function remove_gutenberg_hooks( $remove = 'all' ) {
		remove_action( 'admin_menu', 'gutenberg_menu' );
		remove_action( 'admin_init', 'gutenberg_redirect_demo' );

		if ( $remove !== 'all' ) {
			return;
		}

		// Gutenberg 5.3+
		remove_action( 'wp_enqueue_scripts', 'gutenberg_register_scripts_and_styles' );
		remove_action( 'admin_enqueue_scripts', 'gutenberg_register_scripts_and_styles' );
		remove_action( 'admin_notices', 'gutenberg_wordpress_version_notice' );
		remove_action( 'rest_api_init', 'gutenberg_register_rest_widget_updater_routes' );
		remove_action( 'admin_print_styles', 'gutenberg_block_editor_admin_print_styles' );
		remove_action( 'admin_print_scripts', 'gutenberg_block_editor_admin_print_scripts' );
		remove_action( 'admin_print_footer_scripts', 'gutenberg_block_editor_admin_print_footer_scripts' );
		remove_action( 'admin_footer', 'gutenberg_block_editor_admin_footer' );
		remove_action( 'admin_enqueue_scripts', 'gutenberg_widgets_init' );
		remove_action( 'admin_notices', 'gutenberg_build_files_notice' );

		remove_filter( 'load_script_translation_file', 'gutenberg_override_translation_file' );
		remove_filter( 'block_editor_settings', 'gutenberg_extend_block_editor_styles' );
		remove_filter( 'default_content', 'gutenberg_default_demo_content' );
		remove_filter( 'default_title', 'gutenberg_default_demo_title' );
		remove_filter( 'block_editor_settings', 'gutenberg_legacy_widget_settings' );
		remove_filter( 'rest_request_after_callbacks', 'gutenberg_filter_oembed_result' );

		// Previously used, compat for older Gutenberg versions.
		remove_filter( 'wp_refresh_nonces', 'gutenberg_add_rest_nonce_to_heartbeat_response_headers' );
		remove_filter( 'get_edit_post_link', 'gutenberg_revisions_link_to_editor' );
		remove_filter( 'wp_prepare_revision_for_js', 'gutenberg_revisions_restore' );

		remove_action( 'rest_api_init', 'gutenberg_register_rest_routes' );
		remove_action( 'rest_api_init', 'gutenberg_add_taxonomy_visibility_field' );
		remove_filter( 'registered_post_type', 'gutenberg_register_post_prepare_functions' );

		remove_action( 'do_meta_boxes', 'gutenberg_meta_box_save' );
		remove_action( 'submitpost_box', 'gutenberg_intercept_meta_box_render' );
		remove_action( 'submitpage_box', 'gutenberg_intercept_meta_box_render' );
		remove_action( 'edit_page_form', 'gutenberg_intercept_meta_box_render' );
		remove_action( 'edit_form_advanced', 'gutenberg_intercept_meta_box_render' );
		remove_filter( 'redirect_post_location', 'gutenberg_meta_box_save_redirect' );
		remove_filter( 'filter_gutenberg_meta_boxes', 'gutenberg_filter_meta_boxes' );

		remove_filter( 'body_class', 'gutenberg_add_responsive_body_class' );
		remove_filter( 'admin_url', 'gutenberg_modify_add_new_button_url' ); // old
		remove_action( 'admin_enqueue_scripts', 'gutenberg_check_if_classic_needs_warning_about_blocks' );
		remove_filter( 'register_post_type_args', 'gutenberg_filter_post_type_labels' );

		// phpcs:disable Squiz.PHP.CommentedOutCode.Found
		// Keep
		// remove_filter( 'wp_kses_allowed_html', 'gutenberg_kses_allowedtags', 10, 2 ); // not needed in 5.0
		// remove_filter( 'bulk_actions-edit-wp_block', 'gutenberg_block_bulk_actions' );
		// remove_filter( 'wp_insert_post_data', 'gutenberg_remove_wpcom_markdown_support' );
		// remove_filter( 'the_content', 'do_blocks', 9 );
		// remove_action( 'init', 'gutenberg_register_post_types' );

		// Continue to manage wpautop for posts that were edited in Gutenberg.
		// remove_filter( 'wp_editor_settings', 'gutenberg_disable_editor_settings_wpautop' );
		// remove_filter( 'the_content', 'gutenberg_wpautop', 8 );
		// phpcs:enable Squiz.PHP.CommentedOutCode.Found

	}

}