^^&&^^

Edit File: admin-display.cls.php

<?php
/**
 * The admin-panel specific functionality of the plugin.
 *
 *
 * @since      1.0.0
 * @package    LiteSpeed
 * @subpackage LiteSpeed/admin
 * @author     LiteSpeed Technologies <info@litespeedtech.com>
 */
namespace LiteSpeed;

defined( 'WPINC' ) || exit;

class Admin_Display extends Base {
	protected static $_instance;

const NOTICE_BLUE = 'notice notice-info';
	const NOTICE_GREEN = 'notice notice-success';
	const NOTICE_RED = 'notice notice-error';
	const NOTICE_YELLOW = 'notice notice-warning';
	const DB_MSG = 'messages';

const PURGEBY_CAT = '0';
	const PURGEBY_PID = '1';
	const PURGEBY_TAG = '2';
	const PURGEBY_URL = '3';

const PURGEBYOPT_SELECT = 'purgeby';
	const PURGEBYOPT_LIST = 'purgebylist';

const DB_DISMISS_MSG = 'dismiss';
	const RULECONFLICT_ON = 'ExpiresDefault_1';
	const RULECONFLICT_DISMISSED = 'ExpiresDefault_0';

protected $__cfg;
	protected $messages = array();
	protected $default_settings = array();
	protected $_is_network_admin = false;
	protected $_is_multisite = false;

/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.7
	 * @access   protected
	 */
	protected function __construct() {
		// load assets
		if( ! empty( $_GET[ 'page' ] ) && ( strpos( $_GET[ 'page' ], 'litespeed-' ) === 0 || $_GET[ 'page' ] == 'litespeed' ) ) {
			add_action( 'admin_enqueue_scripts', array( $this, 'load_assets' ) );
		}

// main css
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_style' ) );
		// Main js
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );

$this->_is_network_admin = is_network_admin();
		$this->_is_multisite = is_multisite();

// Quick access menu
		if ( is_multisite() && $this->_is_network_admin ) {
			$manage = 'manage_network_options';
		}
		else {
			$manage = 'manage_options';
		}
		if ( current_user_can( $manage ) ) {
			if ( ! defined( 'LITESPEED_DISABLE_ALL' ) ) {
				add_action( 'wp_before_admin_bar_render', array( GUI::get_instance(), 'backend_shortcut' ) );
			}

// `admin_notices` is after `admin_enqueue_scripts`
			// @see wp-admin/admin-header.php
			add_action( $this->_is_network_admin ? 'network_admin_notices' : 'admin_notices', array( $this, 'display_messages' ) );
		}

/**
		 * In case this is called outside the admin page
		 * @see  https://codex.wordpress.org/Function_Reference/is_plugin_active_for_network
		 * @since  2.0
		 */
		if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
			require_once( ABSPATH . '/wp-admin/includes/plugin.php' );
		}

// add menus ( Also check for mu-plugins)
		if ( $this->_is_network_admin && ( is_plugin_active_for_network( LSCWP_BASENAME ) || defined( 'LSCWP_MU_PLUGIN' ) ) ) {
			add_action( 'network_admin_menu', array( $this, 'register_admin_menu' ) );
		}
		else {
			add_action( 'admin_menu', array( $this, 'register_admin_menu' ) );
		}

$this->__cfg = Conf::get_instance();
	}

/**
	 * Load LiteSpeed assets
	 *
	 * @since    1.1.0
	 * @access public
	 * @param  array $hook WP hook
	 */
	public function load_assets($hook) {
		// Admin footer
		add_filter('admin_footer_text', array($this, 'admin_footer_text'), 1);

if( defined( 'LITESPEED_ON' ) ) {
			// Help tab
			$this->add_help_tabs();

global $pagenow;
			if ( $pagenow === 'plugins.php' ) {//todo: check if work
				add_action('wp_default_scripts', array($this, 'set_update_text'), 0);
				add_action('wp_default_scripts', array($this, 'unset_update_text'), 20);
			}
		}

wp_register_script( Core::PLUGIN_NAME . '-lib-vue', LSWCP_PLUGIN_URL . 'assets/js/vue.min.js', array(), Core::VER, false );
		wp_enqueue_script( Core::PLUGIN_NAME . '-lib-vue' );
	}

/**
	 * Show the title of one line
	 *
	 * @since  3.0
	 * @access public
	 */
	public function title( $id ) {
		echo Lang::title( $id );
	}

/**
	 * Register the admin menu display.
	 *
	 * @since    1.0.0
	 * @access public
	 */
	public function register_admin_menu() {
		$capability = $this->_is_network_admin ? 'manage_network_options' : 'manage_options';
		if ( current_user_can( $capability ) ) {

// root menu
			add_menu_page( 'LiteSpeed Cache', 'LiteSpeed Cache', 'manage_options', 'litespeed' );

// sub menus
			$this->_add_submenu( __( 'Dashboard', 'litespeed-cache' ), 'litespeed', 'show_menu_dash' );

$this->_add_submenu( __( 'General', 'litespeed-cache' ), 'litespeed-general', 'show_menu_general' );

$this->_add_submenu( __( 'Cache', 'litespeed-cache' ), 'litespeed-cache', 'show_menu_cache' );

! $this->_is_network_admin && $this->_add_submenu( __( 'CDN', 'litespeed-cache' ), 'litespeed-cdn', 'show_menu_cdn' );

$this->_add_submenu( __( 'Image Optimization', 'litespeed-cache' ), 'litespeed-img_optm', 'show_img_optm' );

! $this->_is_network_admin && $this->_add_submenu( __( 'Page Optimization', 'litespeed-cache' ), 'litespeed-page_optm', 'show_page_optm' );

$this->_add_submenu( __( 'Database', 'litespeed-cache' ), 'litespeed-db_optm', 'show_db_optm' );

! $this->_is_network_admin && $this->_add_submenu( __( 'Crawler', 'litespeed-cache' ), 'litespeed-crawler', 'show_crawler' );

$this->_add_submenu( __( 'Toolbox', 'litespeed-cache' ), 'litespeed-toolbox', 'show_toolbox' );

// sub menus under options
			add_options_page('LiteSpeed Cache', 'LiteSpeed Cache', $capability, 'litespeed-cache-options', array($this, 'show_menu_cache'));
		}
	}

/**
	 * Helper function to set up a submenu page.
	 *
	 * @since 1.0.4
	 * @access private
	 * @param string $menu_title The title that appears on the menu.
	 * @param string $menu_slug The slug of the page.
	 * @param string $callback The callback to call if selected.
	 */
	private function _add_submenu( $menu_title, $menu_slug, $callback ) {
		add_submenu_page( 'litespeed', $menu_title, $menu_title, 'manage_options', $menu_slug, array( $this, $callback ) );
	}

/**
	 * Register the stylesheets for the admin area.
	 *
	 * @since    1.0.14
	 * @access public
	 */
	public function enqueue_style() {
		wp_enqueue_style(Core::PLUGIN_NAME, LSWCP_PLUGIN_URL . 'assets/css/litespeed.css', array(), Core::VER, 'all');
	}

/**
	 * Register the JavaScript for the admin area.
	 *
	 * @since    1.0.0
	 * @access public
	 */
	public function enqueue_scripts() {
		wp_register_script( Core::PLUGIN_NAME, LSWCP_PLUGIN_URL . 'assets/js/litespeed-cache-admin.js', array(), Core::VER, false );

$localize_data = array();
		if ( GUI::has_whm_msg() ) {
			$ajax_url_dismiss_whm = Utility::build_url( Core::ACTION_DISMISS, GUI::TYPE_DISMISS_WHM, true );
			$localize_data[ 'ajax_url_dismiss_whm' ] = $ajax_url_dismiss_whm;
		}

if ( GUI::has_msg_ruleconflict() ) {
			$ajax_url = Utility::build_url( Core::ACTION_DISMISS, GUI::TYPE_DISMISS_EXPIRESDEFAULT, true );
			$localize_data[ 'ajax_url_dismiss_ruleconflict' ] = $ajax_url;
		}

$promo_tag = GUI::get_instance()->show_promo( true );
		if ( $promo_tag ) {
			$ajax_url_promo = Utility::build_url( Core::ACTION_DISMISS, GUI::TYPE_DISMISS_PROMO, true, null, array( 'promo_tag' => $promo_tag ) );
			$localize_data[ 'ajax_url_promo' ] = $ajax_url_promo;
		}

// If on Server IP setting page, append getIP link
		global $pagenow;
		if ( $pagenow == 'admin.php' && ! empty( $_GET[ 'page' ] ) && $_GET[ 'page' ] == 'litespeed-general' ) {
			$localize_data[ 'ajax_url_getIP' ] = function_exists( 'get_rest_url' ) ? get_rest_url( null, 'litespeed/v1/tool/check_ip' ) : '/';
			$localize_data[ 'nonce' ] = wp_create_nonce( 'wp_rest' );
		}
		if ( ( $pagenow == 'admin.php' && ! empty( $_GET[ 'page' ] ) && $_GET[ 'page' ] == 'litespeed-cache' )
			|| ( $pagenow == 'options-general.php' && ! empty( $_GET[ 'page' ] ) && $_GET[ 'page' ] == 'litespeed-cache-options' )
		) {
			$localize_data[ 'ajax_url_fetch_esi_nonce' ] = function_exists( 'get_rest_url' ) ? get_rest_url( null, 'litespeed/v1/fetch_esi_nonce' ) : '/';
			$localize_data[ 'nonce' ] = wp_create_nonce( 'wp_rest' );
		}

if ( $localize_data ) {
			wp_localize_script(Core::PLUGIN_NAME, 'litespeed_data', $localize_data );
		}

wp_enqueue_script( Core::PLUGIN_NAME );
	}

/**
	 * Callback that adds LiteSpeed Cache's action links.
	 *
	 * @since 1.0.0
	 * @access public
	 * @param array $links Previously added links from other plugins.
	 * @return array Links array with the litespeed cache one appended.
	 */
	public function add_plugin_links($links) {
		// $links[] = '<a href="' . admin_url('options-general.php?page=litespeed-cache') . '">' . __('Settings', 'litespeed-cache') . '</a>';
		$links[] = '<a href="' . admin_url('admin.php?page=litespeed-cache') . '">' . __('Settings', 'litespeed-cache') . '</a>';

return $links;
	}

/**
	 * Add text to recommend updating upon update success.
	 *
	 * @since 1.0.8.1
	 * @access public
	 * @param string $translations
	 * @param string $text
	 * @return string
	 */
	public function add_update_text($translations, $text) {
		if ( $text !== 'Updated!' ) {
			return $translations;
		}

return $translations . ' ' . __('It is recommended that LiteSpeed Cache be purged after updating a plugin.', 'litespeed-cache');
	}

/**
	 * Add the filter to update plugin update text.
	 *
	 * @since 1.0.8.1
	 * @access public
	 */
	public function set_update_text() {
		add_filter('gettext', array($this, 'add_update_text'), 10, 2);
	}

/**
	 * Remove the filter to update plugin update text.
	 *
	 * @since 1.0.8.1
	 * @access public
	 */
	public function unset_update_text() {
		remove_filter('gettext', array($this, 'add_update_text'));
	}

/**
	 * Change the admin footer text on LiteSpeed Cache admin pages.
	 *
	 * @since  1.0.13
	 * @param  string $footer_text
	 * @return string
	 */
	public function admin_footer_text($footer_text) {
		require_once LSCWP_DIR . 'tpl/inc/admin_footer.php';

return $footer_text;
	}

/**
	 * Displays the help tab in the admin pages.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function add_help_tabs() {
		require_once LSCWP_DIR . 'tpl/inc/help_tabs.php';
	}

/**
	 * Builds the html for a single notice.
	 *
	 * @since 1.0.7
	 * @access public
	 * @param string $color The color to use for the notice.
	 * @param string $str The notice message.
	 * @return string The built notice html.
	 */
	public static function build_notice($color, $str) {
		return '<div class="' . $color . ' is-dismissible"><p>'. $str . '</p></div>';
	}

/**
	 * Display info notice
	 *
	 * @since 1.6.5
	 * @access public
	 */
	public static function info( $msg, $echo = false ) {
		self::add_notice( self::NOTICE_BLUE, $msg, $echo );
	}

/**
	 * Display note notice
	 *
	 * @since 1.6.5
	 * @access public
	 */
	public static function note( $msg, $echo = false ) {
		self::add_notice( self::NOTICE_YELLOW, $msg, $echo );
	}

/**
	 * Display success notice
	 *
	 * @since 1.6
	 * @access public
	 */
	public static function succeed( $msg, $echo = false ) {
		self::add_notice( self::NOTICE_GREEN, $msg, $echo );
	}

/**
	 * Display error notice
	 *
	 * @since 1.6
	 * @access public
	 */
	public static function error( $msg, $echo = false ) {
		self::add_notice( self::NOTICE_RED, $msg, $echo );
	}

/**
	 * Adds a notice to display on the admin page
	 *
	 * @since 1.0.7
	 * @access public
	 */
	public static function add_notice( $color, $msg, $echo = false ) {
		// Bypass adding for CLI or cron
		if ( defined( 'LITESPEED_CLI' ) || defined( 'DOING_CRON' ) ) {
			// WP CLI will show the info directly
			if ( defined( 'WP_CLI' ) && WP_CLI ) {
				$msg = strip_tags( $msg );
				if ( $color == self::NOTICE_RED ) {
					\WP_CLI::error( $msg, false );
				}
				else {
					\WP_CLI::success( $msg );
				}
			}
			return;
		}

if ( $echo ) {
			echo self::build_notice( $color, $msg );
			return;
		}

$messages = self::get_option( self::DB_MSG );

if ( is_array($msg) ) {
			foreach ($msg as $str) {
				$messages[] = self::build_notice($color, $str);
			}
		}
		else {
			$messages[] = self::build_notice($color, $msg);
		}
		self::update_option( self::DB_MSG, $messages );
	}

/**
	 * Display notices and errors in dashboard
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function display_messages() {
		if ( GUI::has_whm_msg() ) {
			$this->show_display_installed();
		}

Data::get_instance()->check_upgrading_msg();

// If is in dev version, always check latest update
		Cloud::get_instance()->check_dev_version();

// One time msg
		$messages = self::get_option( self::DB_MSG );
		if( is_array($messages) ) {
			$messages = array_unique($messages);

$added_thickbox = false;
			foreach ($messages as $msg) {
				// Added for popup links
				if ( strpos( $msg, 'TB_iframe' ) && ! $added_thickbox ) {
					add_thickbox();
					$added_thickbox = true;
				}
				echo $msg;
			}
		}
		self::delete_option( self::DB_MSG );

if( empty( $_GET[ 'page' ] ) || strpos( $_GET[ 'page' ], 'litespeed' ) !== 0 ) {
			global $pagenow;
			if ( $pagenow != 'plugins.php' ) { // && $pagenow != 'index.php'
				return;
			}
		}

// Show disable all warning
		if ( defined( 'LITESPEED_DISABLE_ALL' ) ) {
			Admin_Display::error( Error::msg( 'disabled_all' ), true );
		}

if ( ! Conf::val( Base::O_NEWS ) ) {
			return;
		}

// Show promo from cloud
		Cloud::get_instance()->show_promo();

/**
		 * Check promo msg first
		 * @since 2.9
		 */
		GUI::get_instance()->show_promo();

// Show version news
		Cloud::get_instance()->news();
	}

/**
	 * Hooked to the in_widget_form action.
	 * Appends LiteSpeed Cache settings to the widget edit settings screen.
	 * This will append the esi on/off selector and ttl text.
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function show_widget_edit($widget, $return, $instance) {
		require LSCWP_DIR . 'tpl/esi_widget_edit.php';
	}

/**
	 * Displays the dashboard page.
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_menu_dash() {
		require_once LSCWP_DIR . 'tpl/dash/entry.tpl.php';
	}

/**
	 * Displays the General page.
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_menu_general() {
		require_once LSCWP_DIR . 'tpl/general/entry.tpl.php';
	}

/**
	 * Displays the CDN page.
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_menu_cdn() {
		require_once LSCWP_DIR . 'tpl/cdn/entry.tpl.php';
	}

/**
	 * Outputs the LiteSpeed Cache settings page.
	 *
	 * @since 1.0.0
	 * @access public
	 */
	public function show_menu_cache() {
		if ( $this->_is_network_admin ) {
			require_once LSCWP_DIR . 'tpl/cache/entry_network.tpl.php';
		}
		else {
			require_once LSCWP_DIR . 'tpl/cache/entry.tpl.php';
		}
	}

/**
	 * Tools page
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_toolbox() {
		require_once LSCWP_DIR . 'tpl/toolbox/entry.tpl.php';
	}

/**
	 * Outputs the crawler operation page.
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function show_crawler() {
		require_once LSCWP_DIR . 'tpl/crawler/entry.tpl.php';
	}

/**
	 * Outputs the optimization operation page.
	 *
	 * @since 1.6
	 * @access public
	 */
	public function show_img_optm() {
		require_once LSCWP_DIR . 'tpl/img_optm/entry.tpl.php';
	}

/**
	 * Page optm page.
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_page_optm() {
		require_once LSCWP_DIR . 'tpl/page_optm/entry.tpl.php';
	}

/**
	 * DB optm page.
	 *
	 * @since 3.0
	 * @access public
	 */
	public function show_db_optm() {
		require_once LSCWP_DIR . 'tpl/db_optm/entry.tpl.php';
	}

/**
	 * Outputs a notice to the admin panel when the plugin is installed
	 * via the WHM plugin.
	 *
	 * @since 1.0.12
	 * @access public
	 */
	public function show_display_installed() {
		require_once LSCWP_DIR . 'tpl/inc/show_display_installed.php';
	}

/**
	 * Display error cookie msg.
	 *
	 * @since 1.0.12
	 * @access public
	 */
	public static function show_error_cookie() {
		require_once LSCWP_DIR . 'tpl/inc/show_error_cookie.php';
	}

/**
	 * Display warning if lscache is disabled
	 *
	 * @since 2.1
	 * @access public
	 */
	public function cache_disabled_warning() {
		include LSCWP_DIR . "tpl/inc/check_cache_disabled.php";
	}

/**
	 * Output litespeed form info
	 *
	 * @since    3.0
	 * @access public
	 */
	public function form_action( $action = false, $type = false, $has_upload = false ) {
		if ( ! $action ) {
			$action = Router::ACTION_SAVE_SETTINGS;
		}

$has_upload = $has_upload ? 'enctype="multipart/form-data"' : '';

echo '<form method="post" action="' . wp_unslash( $_SERVER[ 'REQUEST_URI' ] ) . '" class="litespeed-relative" ' . $has_upload . '>';

echo '<input type="hidden" name="' . Router::ACTION . '" value="' . $action . '" />';
		if ( $type ) {
			echo '<input type="hidden" name="' . Router::TYPE . '" value="' . $type . '" />';
		}
		wp_nonce_field( $action, Router::NONCE );
	}

/**
	 * Output litespeed form info END
	 *
	 * @since    3.0
	 * @access public
	 */
	public function form_end( $disable_reset = false ) {
		echo "<div class='litespeed-top20'></div>";
		submit_button( __( 'Save Changes', 'litespeed-cache' ), 'primary litespeed-duplicate-float', 'litespeed-submit' );

echo '</form>';
	}

/**
	 * Register this setting to save
	 *
	 * @since  3.0
	 * @access public
	 */
	public function enroll( $id ) {
		echo '<input type="hidden" name="' . Admin_Settings::ENROLL . '[]" value="' . $id . '" />';
	}

/**
	 * Build a textarea
	 *
	 * @since 1.1.0
	 * @access public
	 */
	public function build_textarea( $id, $cols = false, $val = null ) {
		if ( $val === null ) {
			$val = Conf::val( $id, true );

if ( is_array( $val ) ) {
				$val = implode( "\n", $val );
			}
		}

if ( ! $cols ) {
			$cols = 80;
		}

$rows = 5;
		$lines = substr_count( $val, "\n" ) + 2;
		if ( $lines > $rows ) {
			$rows = $lines;
		}
		if ( $rows > 40 ) {
			$rows = 40;
		}

$this->enroll( $id );

echo "<textarea name='$id' rows='$rows' cols='$cols'>" . esc_textarea( $val ) . "</textarea>";