<?php

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/**

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* The core plugin config class.

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*

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* This maintains all the options and settings for this plugin.

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*

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* @since 1.0.0

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* @package LiteSpeed

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*/

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namespace LiteSpeed;

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

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/**

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* Class Conf

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*

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* Maintains all LiteSpeed plugin configuration, including CRUD for single-site

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* and multisite options, upgrade flows, and side effects like purging/cron.

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*/

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class Conf extends Base {

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const TYPE_SET = 'set';

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/**

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* IDs that were updated during a save cycle.

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*

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* @var array<string|int,mixed>

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*/

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private $_updated_ids = [];

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/**

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* Whether current blog is the network primary site.

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*

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* @var bool

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*/

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private $_is_primary = false;

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/**

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* Specify init logic to avoid infinite loop when calling conf.cls instance

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*

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* @since 3.0

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* @access public

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* @return void

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*/

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public function init() {

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// Check if conf exists or not. If not, create them in DB (won't change version if is converting v2.9- data)

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// Conf may be stale, upgrade later

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$this->_conf_db_init();

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/**

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* Detect if has quic.cloud set

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*

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* @since 2.9.7

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*/

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if ( $this->conf( self::O_CDN_QUIC ) ) {

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if ( ! defined( 'LITESPEED_ALLOWED' ) ) {

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define( 'LITESPEED_ALLOWED', true );

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}

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}

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add_action( 'litespeed_conf_append', [ $this, 'option_append' ], 10, 2 );

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add_action( 'litespeed_conf_force', [ $this, 'force_option' ], 10, 2 );

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$this->define_cache();

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}

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/**

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* Init conf related data

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*

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* @since 3.0

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* @access private

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* @return void

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*/

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private function _conf_db_init() {

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/**

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* Try to load options first, network sites can override this later

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*

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* NOTE: Load before run `conf_upgrade()` to avoid infinite loop when getting conf in `conf_upgrade()`

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*/

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$this->load_options();

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// Check if debug is on

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// Init debug as early as possible

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if ( $this->conf( Base::O_DEBUG ) ) {

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$this->cls( 'Debug2' )->init();

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}

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$ver = $this->conf( self::_VER );

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/**

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* Version is less than v3.0, or, is a new installation

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*/

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$ver_check_tag = 'new';

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if ( $ver ) {

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if ( ! defined( 'LSCWP_CUR_V' ) ) {

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define( 'LSCWP_CUR_V', $ver );

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}

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/**

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* Upgrade conf

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*/

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if ( Core::VER !== $ver ) {

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// Plugin version will be set inside

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// Site plugin upgrade & version change will do in load_site_conf

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$ver_check_tag = Data::cls()->conf_upgrade( $ver );

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}

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}

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/**

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* Sync latest new options

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*/

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if ( ! $ver || Core::VER !== $ver ) {

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// Load default values

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$this->load_default_vals();

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if ( ! $ver ) {

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// New install

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$this->set_conf( self::$_default_options );

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$ver_check_tag .= ' activate' . ( defined( 'LSCWP_REF' ) ? '_' . constant( 'LSCWP_REF' ) : '' );

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}

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// Init new default/missing options

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foreach ( self::$_default_options as $k => $v ) {

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// If the option existed, bypass updating

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// Bcos we may ask clients to deactivate for debug temporarily, we need to keep the current cfg in deactivation, hence we need to only try adding default cfg when activating.

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self::add_option( $k, $v );

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}

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// Force correct version in case a rare unexpected case that `_ver` exists but empty

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self::update_option( Base::_VER, Core::VER );

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if ( $ver_check_tag ) {

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Cloud::version_check( $ver_check_tag );

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}

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}

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/**

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* Network sites only

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*

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* Override conf if is network subsites and chose `Use Primary Config`

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*/

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$this->_try_load_site_options();

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// Check if debug is on

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// Init debug as early as possible

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if ( $this->conf( Base::O_DEBUG ) ) {

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$this->cls( 'Debug2' )->init();

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}

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// Mark as conf loaded

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if ( ! defined( 'LITESPEED_CONF_LOADED' ) ) {

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define( 'LITESPEED_CONF_LOADED', true );

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}

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if ( ! $ver || Core::VER !== $ver ) {

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// Only trigger once in upgrade progress, don't run always

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$this->update_confs(); // Files only get corrected in activation or saving settings actions.

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}

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}

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/**

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* Load all latest options from DB

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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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* @param int|null $blog_id Blog ID to load from. Null for current.

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* @param bool $dry_run Return options instead of setting them.

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* @return array<string,mixed>|void

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*/

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public function load_options( $blog_id = null, $dry_run = false ) {

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$options = [];

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foreach ( self::$_default_options as $k => $v ) {

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if ( null !== $blog_id ) {

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$options[ $k ] = self::get_blog_option( $blog_id, $k, $v );

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} else {

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$options[ $k ] = self::get_option( $k, $v );

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}

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// Correct value type

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$options[ $k ] = $this->type_casting( $options[ $k ], $k );

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}

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if ( $dry_run ) {

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return $options;

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}

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// Bypass site special settings

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if ( null !== $blog_id ) {

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// This is to load the primary settings ONLY

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// These options are the ones that can be overwritten by primary

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$options = array_diff_key( $options, array_flip( self::$single_site_options ) );

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$this->set_primary_conf( $options );

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} else {

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$this->set_conf( $options );

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}

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// Append const options

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if ( defined( 'LITESPEED_CONF' ) && LITESPEED_CONF ) {

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foreach ( self::$_default_options as $k => $v ) {

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$const = Base::conf_const( $k );

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if ( defined( $const ) ) {

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$this->set_const_conf( $k, $this->type_casting( constant( $const ), $k ) );

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}

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}

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}

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}

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/**

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* For multisite installations, the single site options need to be updated with the network wide options.

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*

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* @since 1.0.13

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* @access private

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* @return void

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*/

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private function _try_load_site_options() {

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if ( ! $this->_if_need_site_options() ) {

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return;

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}

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$this->_conf_site_db_init();

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$this->_is_primary = BLOG_ID_CURRENT_SITE === get_current_blog_id();

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// If network set to use primary setting

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if ( $this->network_conf( self::NETWORK_O_USE_PRIMARY ) && ! $this->_is_primary ) {

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// subsites or network admin

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// Get the primary site settings

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// If it's just upgraded, 2nd blog is being visited before primary blog, can just load default config (won't hurt as this could only happen shortly)

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$this->load_options( BLOG_ID_CURRENT_SITE );

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}

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// Overwrite single blog options with site options

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foreach ( self::$_default_options as $k => $v ) {

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if ( ! $this->has_network_conf( $k ) ) {

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continue;

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}

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// $this->_options[ $k ] = $this->_network_options[ $k ];

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// Special handler to `Enable Cache` option if the value is set to OFF

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if ( self::O_CACHE === $k ) {

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if ( $this->_is_primary ) {

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if ( $this->conf( $k ) !== $this->network_conf( $k ) ) {

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if ( self::VAL_ON2 !== $this->conf( $k ) ) {

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continue;

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}

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}

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} elseif ( $this->network_conf( self::NETWORK_O_USE_PRIMARY ) ) {

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if ( $this->has_primary_conf( $k ) && self::VAL_ON2 !== $this->primary_conf( $k ) ) {

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// This case will use primary_options override always

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continue;

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}

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} elseif ( self::VAL_ON2 !== $this->conf( $k ) ) {

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continue;

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}

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}

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// primary_options will store primary settings + network settings, OR, store the network settings for subsites

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$this->set_primary_conf( $k, $this->network_conf( $k ) );

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}

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// var_dump($this->_options);

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}

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/**

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* Check if needs to load site_options for network sites

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*

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* @since 3.0

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* @access private

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* @return bool

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*/

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private function _if_need_site_options() {

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if ( ! is_multisite() ) {

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return false;

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}

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// Check if needs to use site_options or not

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// todo: check if site settings are separate bcos it will affect .htaccess

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/**

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* In case this is called outside the admin page

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*

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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 not activated on network, it will not have site options

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if ( ! is_plugin_active_for_network( Core::PLUGIN_FILE ) ) {

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if ( self::VAL_ON2 === (int) $this->conf( self::O_CACHE ) ) {

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// Default to cache on

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$this->set_conf( self::_CACHE, true );

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}

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return false;

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}

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return true;

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}

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/**

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* Init site conf and upgrade if necessary

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*

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* @since 3.0

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* @access private

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* @return void

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*/

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private function _conf_site_db_init() {

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$this->load_site_options();

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$ver = $this->network_conf( self::_VER );

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/**

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* Don't upgrade or run new installations other than from backend visit

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* In this case, just use default conf

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*/

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if ( ! $ver || Core::VER !== $ver ) {

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if ( ! is_admin() && ! defined( 'LITESPEED_CLI' ) ) {

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$this->set_network_conf( $this->load_default_site_vals() );

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return;

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}

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}

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/**

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* Upgrade conf

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*/

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if ( $ver && Core::VER !== $ver ) {

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// Site plugin version will change inside

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Data::cls()->conf_site_upgrade( $ver );

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}

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/**

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* Is a new installation

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*/

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if ( ! $ver || Core::VER !== $ver ) {

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// Load default values

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$this->load_default_site_vals();

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// Init new default/missing options

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foreach ( self::$_default_site_options as $k => $v ) {

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// If the option existed, bypass updating

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self::add_site_option( $k, $v );

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}

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}

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}

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/**

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* Get the plugin's site wide options.

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*

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* If the site wide options are not set yet, set it to default.

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*

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* @since 1.0.2

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* @access public

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* @return null|void

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*/

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public function load_site_options() {

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if ( ! is_multisite() ) {

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return null;

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}

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// Load all site options

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foreach ( self::$_default_site_options as $k => $v ) {

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$val = self::get_site_option( $k, $v );

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$val = $this->type_casting( $val, $k, true );

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$this->set_network_conf( $k, $val );

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}

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}

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/**

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* Append a 3rd party option to default options

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*

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* This will not be affected by network use primary site setting.

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*

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* NOTE: If it is a multi switch option, need to call `_conf_multi_switch()` first

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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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* @param string $name Option name.

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* @param mixed $default_val Default value.

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* @return void

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*/

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public function option_append( $name, $default_val ) {

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self::$_default_options[ $name ] = $default_val;

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$this->set_conf( $name, self::get_option( $name, $default_val ) );

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$this->set_conf( $name, $this->type_casting( $this->conf( $name ), $name ) );

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}

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/**

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* Force an option to a certain value

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*

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* @since 2.6

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* @access public

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*

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* @param string $k Option key.

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* @param mixed $v Option value.

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* @return void

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*/

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public function force_option( $k, $v ) {

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if ( ! $this->has_conf( $k ) ) {

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return;

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}

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$v = $this->type_casting( $v, $k );

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if ( $this->conf( $k ) === $v ) {

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return;

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}

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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_var_export

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Debug2::debug( '[Conf] ** ' . $k . ' forced from ' . var_export( $this->conf( $k ), true ) . ' to ' . var_export( $v, true ) );

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$this->set_conf( $k, $v );

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}

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/**

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* Define `_CACHE` const in options ( for both single and network )

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*

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* @since 3.0

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* @access public

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* @return void

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*/

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public function define_cache() {

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// Init global const cache on setting

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$this->set_conf( self::_CACHE, false );

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if ( self::VAL_ON === (int) $this->conf( self::O_CACHE ) || $this->conf( self::O_CDN_QUIC ) ) {

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$this->set_conf( self::_CACHE, true );

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}

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// Check network

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if ( ! $this->_if_need_site_options() ) {

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// Set cache on

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$this->_define_cache_on();

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return;

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}

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// If use network setting

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if ( self::VAL_ON2 === (int) $this->conf( self::O_CACHE ) && $this->network_conf( self::O_CACHE ) ) {

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$this->set_conf( self::_CACHE, true );

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}

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$this->_define_cache_on();

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}

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/**

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* Define `LITESPEED_ON`

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*

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* @since 2.1

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* @access private

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* @return void

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*/

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private function _define_cache_on() {

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if ( ! $this->conf( self::_CACHE ) ) {

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return;

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}

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if ( defined( 'LITESPEED_ALLOWED' ) && ! defined( 'LITESPEED_ON' ) ) {

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define( 'LITESPEED_ON', true );

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}

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}

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/**

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* Save option

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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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* @param array<string,mixed> $the_matrix Option-value map.

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* @return void

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*/

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public function update_confs( $the_matrix = [] ) {

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if ( $the_matrix ) {

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foreach ( $the_matrix as $id => $val ) {

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$this->update( $id, $val );

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}

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}

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if ( $this->_updated_ids ) {

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foreach ( $this->_updated_ids as $id ) {

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// Check if need to do a purge all or not

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if ( $this->_conf_purge_all( $id ) ) {

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Purge::purge_all( 'conf changed [id] ' . $id );

[483] Fix | Delete

}

[484] Fix | Delete

[485] Fix | Delete

// Check if need to purge a tag

[486] Fix | Delete

$tag = $this->_conf_purge_tag( $id );

[487] Fix | Delete

if ( $tag ) {

[488] Fix | Delete

Purge::add( $tag );

[489] Fix | Delete

}

[490] Fix | Delete

[491] Fix | Delete

// Update cron

[492] Fix | Delete

if ( $this->_conf_cron( $id ) ) {

[493] Fix | Delete

$this->cls( 'Task' )->try_clean( $id );

[494] Fix | Delete

}

[495] Fix | Delete

[496] Fix | Delete

// Reset crawler bypassed list when any of the options WebP replace, guest mode, or cache mobile got changed

[497] Fix | Delete

if ( self::O_IMG_OPTM_WEBP === $id || self::O_GUEST === $id || self::O_CACHE_MOBILE === $id ) {

[498] Fix | Delete

$this->cls( 'Crawler' )->clear_disabled_list();

[499] Fix | Delete