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Current File : /home/graphicd/www/demos/dentist/wp-content/themes/Divi/includes/builder/feature/ClassicEditor.php

<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Load classic editor and disable Gutenberg/Block Editor
 *
 * Adapted from Classic Editor plugin by WordPress Contributors.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License version 2, as published by the Free Software Foundation.  You may NOT assume
 * that you can use any other version of the GPL.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Classic Editor
 *
 * Copyright 2018 by WordPress Contributors
 *
 * Classic Editor  is released under the GPL-2.0+
 *
 */
if ( ! class_exists( 'ET_Builder_Classic_Editor' ) ) :

class ET_Builder_Classic_Editor {
	/**
	 * @var ET_Builder_Classic_Editor
	 */
	private static $_instance;

	/**
	 * ET_Builder_Classic_Editor constructor.
	 */
	public function __construct() {
		add_action( 'init', array( $this, 'register_actions' ), 20 );
	}

	/**
	 * Get the class instance.
	 *
	 * @since 3.18
	 *
	 * @return ET_Builder_Classic_Editor
	 */
	public static function instance() {
		if ( ! self::$_instance ) {
			self::$_instance = new self;
		}

		return self::$_instance;
	}

	/**
	 * Add & remove necessary actions and filters needed to load Classic Editor back
	 * These filters are based on Classic Editor plugin to ensure required filters & actions needed
	 * to load Classic Editor on Gutenberg / Block Editor (WordPress 5.0). All conditiononal Block Editor
	 * loader based on query string has been removed.
	 *
	 * @since 3.18
	 */
	public function register_actions() {
		$gutenberg    = has_filter( 'replace_editor', 'gutenberg_init' );
		$block_editor = version_compare( $GLOBALS['wp_version'], '5.0-beta', '>' );

		if ( ! $gutenberg && ! $block_editor ) {
			return;
		}

		// Load classic editor
		$enable_classic_editor = apply_filters( 'et_builder_enable_classic_editor', isset( $_GET['et_classic_editor'] ) );

		if ( $block_editor && $enable_classic_editor ) {
			add_filter( 'use_block_editor_for_post_type', '__return_false', 100 );
		}

		if ( $gutenberg && $enable_classic_editor ) {
			// gutenberg.php
			remove_action( 'admin_menu', 'gutenberg_menu' );
			remove_action( 'admin_notices', 'gutenberg_build_files_notice' );
			remove_action( 'admin_notices', 'gutenberg_wordpress_version_notice' );
			remove_action( 'admin_init', 'gutenberg_redirect_demo' );

			remove_filter( 'replace_editor', 'gutenberg_init' );

			// lib/client-assets.php
			remove_action( 'wp_enqueue_scripts', 'gutenberg_register_scripts_and_styles', 5 );
			remove_action( 'admin_enqueue_scripts', 'gutenberg_register_scripts_and_styles', 5 );
			remove_action( 'wp_enqueue_scripts', 'gutenberg_common_scripts_and_styles' );
			remove_action( 'admin_enqueue_scripts', 'gutenberg_common_scripts_and_styles' );

			// lib/compat.php
			remove_filter( 'wp_refresh_nonces', 'gutenberg_add_rest_nonce_to_heartbeat_response_headers' );

			// lib/rest-api.php
			remove_action( 'rest_api_init', 'gutenberg_register_rest_routes' );
			remove_action( 'rest_api_init', 'gutenberg_add_taxonomy_visibility_field' );

			remove_filter( 'rest_request_after_callbacks', 'gutenberg_filter_oembed_result' );
			remove_filter( 'registered_post_type', 'gutenberg_register_post_prepare_functions' );
			remove_filter( 'register_post_type_args', 'gutenberg_filter_post_type_labels' );

			// lib/meta-box-partial-page.php
			remove_action( 'do_meta_boxes', 'gutenberg_meta_box_save', 1000 );
			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' );
		}

		if ( $gutenberg && $enable_classic_editor ) {
			// gutenberg.php
			remove_action( 'admin_init', 'gutenberg_add_edit_link_filters' );
			remove_action( 'admin_print_scripts-edit.php', 'gutenberg_replace_default_add_new_button' );

			remove_filter( 'body_class', 'gutenberg_add_responsive_body_class' );
			remove_filter( 'admin_url', 'gutenberg_modify_add_new_button_url' );

			// lib/compat.php
			remove_action( 'admin_enqueue_scripts', 'gutenberg_check_if_classic_needs_warning_about_blocks' );

			// lib/register.php
			remove_action( 'edit_form_top', 'gutenberg_remember_classic_editor_when_saving_posts' );

			remove_filter( 'redirect_post_location', 'gutenberg_redirect_to_classic_editor_when_saving_posts' );
			remove_filter( 'get_edit_post_link', 'gutenberg_revisions_link_to_editor' );
			remove_filter( 'wp_prepare_revision_for_js', 'gutenberg_revisions_restore' );
			remove_filter( 'display_post_states', 'gutenberg_add_gutenberg_post_state' );

			// lib/plugin-compat.php
			remove_filter( 'rest_pre_insert_post', 'gutenberg_remove_wpcom_markdown_support' );
		}
	}
}

endif;

ET_Builder_Classic_Editor::instance();

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