<?php

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/**

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* The plugin activation class.

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*

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* @since 1.1.0

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* @since 1.5 Moved into /inc

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* @package LiteSpeed

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* @subpackage LiteSpeed/inc

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* @author LiteSpeed Technologies <info@litespeedtech.com>

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*/

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namespace LiteSpeed;

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defined('WPINC') || exit();

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class Activation extends Base

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{

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const TYPE_UPGRADE = 'upgrade';

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const TYPE_INSTALL_3RD = 'install_3rd';

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const TYPE_INSTALL_ZIP = 'install_zip';

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const TYPE_DISMISS_RECOMMENDED = 'dismiss_recommended';

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const NETWORK_TRANSIENT_COUNT = 'lscwp_network_count';

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private static $_data_file;

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/**

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* Construct

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*

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* @since 4.1

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*/

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public function __construct()

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{

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self::$_data_file = LSCWP_CONTENT_DIR . '/' . self::CONF_FILE;

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}

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/**

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* The activation hook callback.

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*

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* @since 1.0.0

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* @access public

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*/

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public static function register_activation()

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{

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global $wp_version;

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$advanced_cache = LSCWP_CONTENT_DIR . '/advanced-cache.php';

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if (version_compare($wp_version, '5.3', '<') && !file_exists($advanced_cache)) {

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$file_pointer = fopen($advanced_cache, 'w');

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fwrite($file_pointer, "<?php\n\n// A compatibility placeholder for WordPress < v5.3\n// Created by LSCWP v6.1+");

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fclose($file_pointer);

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}

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$count = 0;

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!defined('LSCWP_LOG_TAG') && define('LSCWP_LOG_TAG', 'Activate_' . get_current_blog_id());

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if (is_multisite()) {

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$count = self::get_network_count();

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if ($count !== false) {

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$count = intval($count) + 1;

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set_site_transient(self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS);

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}

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}

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// Files will be delayed updated in next visit to wp-admin

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Conf::update_option('__activation', Core::VER);

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/* Network file handler */

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if (is_multisite()) {

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if (!is_network_admin()) {

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if ($count === 1) {

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// Only itself is activated, set .htaccess with only CacheLookUp

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try {

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Htaccess::cls()->insert_ls_wrapper();

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} catch (\Exception $ex) {

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Admin_Display::error($ex->getMessage());

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}

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}

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}

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}

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if (defined('LSCWP_REF') && LSCWP_REF == 'whm') {

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GUI::update_option(GUI::WHM_MSG, GUI::WHM_MSG_VAL);

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}

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}

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/**

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* Uninstall plugin

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* @since 1.1.0

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*/

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public static function uninstall_litespeed_cache()

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{

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Task::destroy();

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// Delete options

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foreach (Conf::cls()->load_default_vals() as $k => $v) {

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Base::delete_option($k);

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}

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// Delete site options

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if (is_multisite()) {

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foreach (Conf::cls()->load_default_site_vals() as $k => $v) {

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Base::delete_site_option($k);

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}

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}

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// Delete avatar table

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Data::cls()->tables_del();

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if (file_exists(LITESPEED_STATIC_DIR)) {

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File::rrmdir(LITESPEED_STATIC_DIR);

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}

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Cloud::version_check('uninstall');

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// Files has been deleted when deactivated

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}

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/**

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* Get the blog ids for the network. Accepts function arguments.

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*

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* Will use wp_get_sites for WP versions less than 4.6

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*

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* @since 1.0.12

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* @access public

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* @return array The array of blog ids.

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*/

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public static function get_network_ids($args = array())

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{

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global $wp_version;

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if (version_compare($wp_version, '4.6', '<')) {

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$blogs = wp_get_sites($args);

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if (!empty($blogs)) {

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foreach ($blogs as $key => $blog) {

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$blogs[$key] = $blog['blog_id'];

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}

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}

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} else {

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$args['fields'] = 'ids';

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$blogs = get_sites($args);

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}

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return $blogs;

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}

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/**

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* Gets the count of active litespeed cache plugins on multisite.

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*

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* @since 1.0.12

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* @access private

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*/

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private static function get_network_count()

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{

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$count = get_site_transient(self::NETWORK_TRANSIENT_COUNT);

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if ($count !== false) {

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return intval($count);

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}

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// need to update

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$default = array();

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$count = 0;

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$sites = self::get_network_ids(array('deleted' => 0));

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if (empty($sites)) {

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return false;

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}

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foreach ($sites as $site) {

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$bid = is_object($site) && property_exists($site, 'blog_id') ? $site->blog_id : $site;

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$plugins = get_blog_option($bid, 'active_plugins', $default);

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if (in_array(LSCWP_BASENAME, $plugins, true)) {

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$count++;

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}

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}

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/**

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* In case this is called outside the admin page

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* @see https://codex.wordpress.org/Function_Reference/is_plugin_active_for_network

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* @since 2.0

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*/

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if (!function_exists('is_plugin_active_for_network')) {

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require_once ABSPATH . '/wp-admin/includes/plugin.php';

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}

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if (is_plugin_active_for_network(LSCWP_BASENAME)) {

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$count++;

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}

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return $count;

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}

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/**

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* Is this deactivate call the last active installation on the multisite network?

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*

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* @since 1.0.12

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* @access private

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*/

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private static function is_deactivate_last()

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{

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$count = self::get_network_count();

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if ($count === false) {

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return false;

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}

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if ($count !== 1) {

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// Not deactivating the last one.

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$count--;

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set_site_transient(self::NETWORK_TRANSIENT_COUNT, $count, DAY_IN_SECONDS);

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return false;

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}

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delete_site_transient(self::NETWORK_TRANSIENT_COUNT);

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return true;

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}

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/**

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* The deactivation hook callback.

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*

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* Initializes all clean up functionalities.

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*

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* @since 1.0.0

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* @access public

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*/

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public static function register_deactivation()

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{

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Task::destroy();

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!defined('LSCWP_LOG_TAG') && define('LSCWP_LOG_TAG', 'Deactivate_' . get_current_blog_id());

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Purge::purge_all();

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if (is_multisite()) {

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if (!self::is_deactivate_last()) {

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if (is_network_admin()) {

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// Still other activated subsite left, set .htaccess with only CacheLookUp

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try {

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Htaccess::cls()->insert_ls_wrapper();

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} catch (\Exception $ex) {

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Admin_Display::error($ex->getMessage());

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}

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}

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return;

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}

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}

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/* 1) wp-config.php; */

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try {

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self::cls()->_manage_wp_cache_const(false);

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} catch (\Exception $ex) {

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error_log('In wp-config.php: WP_CACHE could not be set to false during deactivation!');

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Admin_Display::error($ex->getMessage());

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}

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/* 2) adv-cache.php; Dropped in v3.0.4 */

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/* 3) object-cache.php; */

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Object_Cache::cls()->del_file();

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/* 4) .htaccess; */

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try {

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Htaccess::cls()->clear_rules();

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} catch (\Exception $ex) {

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Admin_Display::error($ex->getMessage());

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}

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/* 5) .litespeed_conf.dat; */

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self::_del_conf_data_file();

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// delete in case it's not deleted prior to deactivation.

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GUI::dismiss_whm();

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}

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/**

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* Manage related files based on plugin latest conf

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*

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* NOTE: Only trigger this in backend admin access for efficiency concern

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*

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* Handle files:

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* 1) wp-config.php;

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* 2) adv-cache.php;

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* 3) object-cache.php;

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* 4) .htaccess;

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* 5) .litespeed_conf.dat;

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*

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* @since 3.0

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* @access public

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*/

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public function update_files()

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{

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Debug2::debug('🗂️ [Activation] update_files');

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// Update cache setting `_CACHE`

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$this->cls('Conf')->define_cache();

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// Site options applied already

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$options = $this->get_options();

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/* 1) wp-config.php; */

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try {

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$this->_manage_wp_cache_const($options[self::_CACHE]);

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} catch (\Exception $ex) {

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// Add msg to admin page or CLI

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Admin_Display::error($ex->getMessage());

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}

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/* 2) adv-cache.php; Dropped in v3.0.4 */

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/* 3) object-cache.php; */

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if ($options[self::O_OBJECT] && (!$options[self::O_DEBUG_DISABLE_ALL] || is_multisite())) {

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$this->cls('Object_Cache')->update_file($options);

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} else {

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$this->cls('Object_Cache')->del_file(); // Note: because it doesn't reconnect, which caused setting page OC option changes delayed, thus may meet Connect Test Failed issue (Next refresh will correct it). Not a big deal, will keep as is.

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}

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/* 4) .htaccess; */

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try {

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$this->cls('Htaccess')->update($options);

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} catch (\Exception $ex) {

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Admin_Display::error($ex->getMessage());

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}

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/* 5) .litespeed_conf.dat; */

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if (($options[self::O_GUEST] || $options[self::O_OBJECT]) && (!$options[self::O_DEBUG_DISABLE_ALL] || is_multisite())) {

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$this->_update_conf_data_file($options);

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}

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}

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/**

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* Delete data conf file

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*

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* @since 4.1

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*/

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private static function _del_conf_data_file()

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{

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if (file_exists(self::$_data_file)) {

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unlink(self::$_data_file);

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}

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}

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/**

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* Update data conf file for guest mode & object cache

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*

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* @since 4.1

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*/

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private function _update_conf_data_file($options)

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{

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$ids = array();

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if ($options[self::O_OBJECT]) {

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$this_ids = array(

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self::O_DEBUG,

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self::O_OBJECT_KIND,

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self::O_OBJECT_HOST,

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self::O_OBJECT_PORT,

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self::O_OBJECT_LIFE,

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self::O_OBJECT_USER,

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self::O_OBJECT_PSWD,

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self::O_OBJECT_DB_ID,

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self::O_OBJECT_PERSISTENT,

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self::O_OBJECT_ADMIN,

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self::O_OBJECT_TRANSIENTS,

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self::O_OBJECT_GLOBAL_GROUPS,

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self::O_OBJECT_NON_PERSISTENT_GROUPS,

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);

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$ids = array_merge($ids, $this_ids);

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}

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if ($options[self::O_GUEST]) {

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$this_ids = array(self::HASH, self::O_CACHE_LOGIN_COOKIE, self::O_DEBUG_IPS, self::O_UTIL_NO_HTTPS_VARY, self::O_GUEST_UAS, self::O_GUEST_IPS);

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$ids = array_merge($ids, $this_ids);

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}

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$data = array();

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foreach ($ids as $v) {

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$data[$v] = $options[$v];

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}

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$data = \json_encode($data);

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$old_data = File::read(self::$_data_file);

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if ($old_data != $data) {

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defined('LSCWP_LOG') && Debug2::debug('[Activation] Updating .litespeed_conf.dat');

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File::save(self::$_data_file, $data);

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}

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}

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[388] Fix | Delete

/**

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* Update the WP_CACHE variable in the wp-config.php file.

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*

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* If enabling, check if the variable is defined, and if not, define it.

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* Vice versa for disabling.

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*

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* @since 1.0.0

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* @since 3.0 Refactored

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* @access private

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*/

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private function _manage_wp_cache_const($enable)

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{

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if ($enable) {

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if (defined('WP_CACHE') && WP_CACHE) {

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return false;

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}

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} elseif (!defined('WP_CACHE') || (defined('WP_CACHE') && !WP_CACHE)) {

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return false;

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}

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if (apply_filters('litespeed_wpconfig_readonly', false)) {

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throw new \Exception('wp-config file is forbidden to modify due to API hook: litespeed_wpconfig_readonly');

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}

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/**

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* Follow WP's logic to locate wp-config file

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* @see wp-load.php

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*/

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$conf_file = ABSPATH . 'wp-config.php';

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if (!file_exists($conf_file)) {

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$conf_file = dirname(ABSPATH) . '/wp-config.php';

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}

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$content = File::read($conf_file);

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if (!$content) {

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throw new \Exception('wp-config file content is empty: ' . $conf_file);

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}

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// Remove the line `define('WP_CACHE', true/false);` first

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if (defined('WP_CACHE')) {

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$content = preg_replace('/define\(\s*([\'"])WP_CACHE\1\s*,\s*\w+\s*\)\s*;/sU', '', $content);

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}

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// Insert const

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if ($enable) {

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$content = preg_replace('/^<\?php/', "<?php\ndefine( 'WP_CACHE', true );", $content);

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}

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$res = File::save($conf_file, $content, false, false, false);

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if ($res !== true) {

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throw new \Exception('wp-config.php operation failed when changing `WP_CACHE` const: ' . $res);

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}

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return true;

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}

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/**

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* Handle auto update

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*

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* @since 2.7.2

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* @access public

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*/

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public function auto_update()

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{

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if (!$this->conf(Base::O_AUTO_UPGRADE)) {

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return;

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}

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add_filter('auto_update_plugin', array($this, 'auto_update_hook'), 10, 2);

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}

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[460] Fix | Delete

/**

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* Auto upgrade hook

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*

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* @since 3.0

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* @access public

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*/

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public function auto_update_hook($update, $item)

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{

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if (!empty($item->slug) && 'litespeed-cache' === $item->slug) {

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$auto_v = Cloud::version_check('auto_update_plugin');

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if (!empty($auto_v['latest']) && !empty($item->new_version) && $auto_v['latest'] === $item->new_version) {

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return true;

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}

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}

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return $update; // Else, use the normal API response to decide whether to update or not

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}

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[479] Fix | Delete

/**

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* Upgrade LSCWP

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*

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* @since 2.9

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* @access public

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*/

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public function upgrade()

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{

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$plugin = Core::PLUGIN_FILE;

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/**

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* @see wp-admin/update.php

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*/

[492] Fix | Delete

include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

[493] Fix | Delete

include_once ABSPATH . 'wp-admin/includes/file.php';

[494] Fix | Delete

include_once ABSPATH . 'wp-admin/includes/misc.php';

[495] Fix | Delete

[496] Fix | Delete

try {

[497] Fix | Delete

ob_start();

[498] Fix | Delete

$skin = new \WP_Ajax_Upgrader_Skin();

[499] Fix | Delete