Creating a Starter Site 2022 - MU Beaver Builder Delete Cache

bb-delete-cache.php

<?php
/*
Plugin Name: BB delete cache
Plugin URI: http://www.wearewp.pro
Description: Add delete beaver builder cache button in admin bar
Contributors: wearewp, thierrypigot
Author: WeAreWP
Author URI: http://www.wearewp.pro
Text Domain: bb-delete-cache
Domain Path: /languages/
Version: 1.0.3
Stable tag: 1.0.3
*/

class BB_Delete_Cache_Admin_Bar {
	
	function __construct() {
		add_action( 'init',                     array( $this, 'load_textdomain'	) );

		add_action( 'admin_bar_menu',			array( $this, 'add_item'		) );
		add_action( 'admin_post_purge_cache',	array( $this, '__clear_cache'	) );
	}
	
	function load_textdomain() {
		load_plugin_textdomain('bb-delete-cache', false, basename( dirname( __FILE__ ) ) . '/languages' );
	}

	/**
	* Add's new global menu, if $href is false menu is added but registred as submenuable
	*
	* $id String
	* $title String
	* $href String
	* $parent String
	* $meta Array
	*
	* @return void
	* @author Janez Troha
	* @author Aaron Ware
	* @author Thierry Pigot
	**/

	function add_menu( $id, $title, $href = FALSE, $meta = FALSE, $parent = FALSE ) {
		global $wp_admin_bar;
		if ( ! is_super_admin() || ! is_admin_bar_showing() )
			return;

		$wp_admin_bar->add_menu( array(
			'id'		=> $id,
			'parent'	=> $parent,
			'title'		=> $title,
			'href'		=> $href,
			'meta'		=> $meta
		));
	}

	
	/**
	* Add's new submenu where additinal $meta specifies class, id, target or onclick parameters
	*
	* $id String
	* $parent String
	* $title String
	* $href String
	* $meta Array
	*
	* @return void
	* @author Janez Troha
	* @author Thierry Pigot
	**/
	function add_sub_menu( $id, $parent, $title, $href, $meta = FALSE) {
		global $wp_admin_bar;
		
		if ( ! is_super_admin() || ! is_admin_bar_showing() )
			return;

		$wp_admin_bar->add_menu( array(
			'id'		=> $id,
			'parent'	=> $parent,
			'title'		=> $title,
			'href'		=> $href,
			'meta'		=> $meta
		));
	}

	public function add_item() {
		
		global $post;
		
		$referer = '&_wp_http_referer=' . urlencode( wp_unslash( $_SERVER['REQUEST_URI'] ) );
		$action  = 'purge_cache';
		if( !is_admin() ) {
			// Purge a URL (frontend)
			$this->add_sub_menu(
				'bb-delete-url-cache',
				'fl-builder-frontend-edit-link',
				__('Clear this post','bb-delete-cache'),
				wp_nonce_url( admin_url( 'admin-post.php?action=' . $action . '&type=post-' . $post->ID . $referer ), $action . '_post-' . $post->ID )
			);

			// Purge All
			$this->add_sub_menu(
				'bb-delete-all-cache',
				'fl-builder-frontend-edit-link',
				__('Clear cache','bb-delete-cache'),
				wp_nonce_url( admin_url( 'admin-post.php?action=' . $action . '&type=all' . $referer ), $action . '_all' )
			);
		}
	}
	
	
	public function __clear_cache() {
		if ( isset( $_GET['type'], $_GET['_wpnonce'] ) ) {
			
			$_type     = explode( '-', $_GET['type'] );
			$_type     = reset( $_type );
			$_id       = explode( '-', $_GET['type'] );
			$_id       = end( $_id );

			if ( ! wp_verify_nonce( $_GET['_wpnonce'], 'purge_cache_' . $_GET['type'] ) ) {
				wp_nonce_ays( '' );
			}

			switch( $_type ) {

				// Clear all cache
				case 'all':
					FLBuilderModel::delete_asset_cache_for_all_posts();
					break;

				// Clear a current post
				case 'post':
					FLBuilderModel::delete_all_asset_cache( $_id );
					break;
				
				default:
					wp_nonce_ays( '' );
					break;
			}

			wp_redirect( wp_get_referer() );
			die();
		}
	}
	
}


add_action( "init", "BB_Delete_Cache_Admin_Bar_init" );
function BB_Delete_Cache_Admin_Bar_init() {
	global $BB_Delete_Cache_Admin_Bar_init;
	
	if( class_exists('FLBuilder') ) {
		$BB_Delete_Cache_Admin_Bar_init = new BB_Delete_Cache_Admin_Bar();
	}
	
}