defined( 'WPINC' ) || exit();
* Provides API hooks and methods for LiteSpeed Cache integration.
const VERSION = Core::VER;
const TYPE_FEED = Tag::TYPE_FEED;
const TYPE_FRONTPAGE = Tag::TYPE_FRONTPAGE;
const TYPE_HOME = Tag::TYPE_HOME;
const TYPE_PAGES = Tag::TYPE_PAGES;
const TYPE_PAGES_WITH_RECENT_POSTS = Tag::TYPE_PAGES_WITH_RECENT_POSTS;
const TYPE_HTTP = Tag::TYPE_HTTP;
const TYPE_ARCHIVE_POSTTYPE = Tag::TYPE_ARCHIVE_POSTTYPE;
const TYPE_ARCHIVE_TERM = Tag::TYPE_ARCHIVE_TERM;
const TYPE_AUTHOR = Tag::TYPE_AUTHOR;
const TYPE_ARCHIVE_DATE = Tag::TYPE_ARCHIVE_DATE;
const TYPE_BLOG = Tag::TYPE_BLOG;
const TYPE_LOGIN = Tag::TYPE_LOGIN;
const TYPE_URL = Tag::TYPE_URL;
const TYPE_ESI = Tag::TYPE_ESI;
const PARAM_NAME = ESI::PARAM_NAME;
const WIDGET_O_ESIENABLE = ESI::WIDGET_O_ESIENABLE;
const WIDGET_O_TTL = ESI::WIDGET_O_TTL;
* Initializes the API class.
public function __construct() {
* Define hooks to be used in other plugins.
* The benefit to use hooks other than functions is no need to detach if LSCWP enabled and function existed or not anymore
// Action `litespeed_init`
add_filter( 'litespeed_conf', [ $this, 'conf' ] );
// Action `litespeed_conf_append`
add_action( 'litespeed_conf_multi_switch', __NAMESPACE__ . '\Base::set_multi_switch', 10, 2 );
// Action `litespeed_conf_force`
add_action( 'litespeed_save_conf', [ $this, 'save_conf' ] );
// Action `litespeed_control_finalize`
add_action( 'litespeed_control_set_private', __NAMESPACE__ . '\Control::set_private' );
add_action( 'litespeed_control_set_nocache', __NAMESPACE__ . '\Control::set_nocache' );
add_action( 'litespeed_control_set_cacheable', [ $this, 'set_cacheable' ] );
add_action( 'litespeed_control_force_cacheable', __NAMESPACE__ . '\Control::force_cacheable' );
add_action( 'litespeed_control_force_public', __NAMESPACE__ . '\Control::set_public_forced' );
add_filter( 'litespeed_control_cacheable', __NAMESPACE__ . '\Control::is_cacheable', 3 );
add_action( 'litespeed_control_set_ttl', __NAMESPACE__ . '\Control::set_custom_ttl', 10, 2 );
add_filter( 'litespeed_control_ttl', [ $this, 'get_ttl' ], 3 );
// Action `litespeed_tag_finalize`
add_action( 'litespeed_tag', __NAMESPACE__ . '\Tag::add' );
add_action( 'litespeed_tag_post', __NAMESPACE__ . '\Tag::add_post' );
add_action( 'litespeed_tag_widget', __NAMESPACE__ . '\Tag::add_widget' );
add_action( 'litespeed_tag_private', __NAMESPACE__ . '\Tag::add_private' );
add_action( 'litespeed_tag_private_esi', __NAMESPACE__ . '\Tag::add_private_esi' );
add_action( 'litespeed_tag_add', __NAMESPACE__ . '\Tag::add' );
add_action( 'litespeed_tag_add_post', __NAMESPACE__ . '\Tag::add_post' );
add_action( 'litespeed_tag_add_widget', __NAMESPACE__ . '\Tag::add_widget' );
add_action( 'litespeed_tag_add_private', __NAMESPACE__ . '\Tag::add_private' );
add_action( 'litespeed_tag_add_private_esi', __NAMESPACE__ . '\Tag::add_private_esi' );
// Action `litespeed_purge_finalize`
add_action( 'litespeed_purge', __NAMESPACE__ . '\Purge::add' );
add_action( 'litespeed_purge_all', __NAMESPACE__ . '\Purge::purge_all' );
add_action( 'litespeed_purge_post', [ $this, 'purge_post' ] );
add_action( 'litespeed_purge_posttype', __NAMESPACE__ . '\Purge::purge_posttype' );
add_action( 'litespeed_purge_url', [ $this, 'purge_url' ] );
add_action( 'litespeed_purge_widget', __NAMESPACE__ . '\Purge::purge_widget' );
add_action( 'litespeed_purge_esi', __NAMESPACE__ . '\Purge::purge_esi' );
add_action( 'litespeed_purge_private', __NAMESPACE__ . '\Purge::add_private' );
add_action( 'litespeed_purge_private_esi', __NAMESPACE__ . '\Purge::add_private_esi' );
add_action( 'litespeed_purge_private_all', __NAMESPACE__ . '\Purge::add_private_all' );
// Action `litespeed_api_purge_post`
// Action `litespeed_purged_all`
add_action( 'litespeed_purge_all_object', __NAMESPACE__ . '\Purge::purge_all_object' );
add_action( 'litespeed_purge_ucss', __NAMESPACE__ . '\Purge::purge_ucss' );
// Action `litespeed_nonce`
add_filter( 'litespeed_esi_status', [ $this, 'esi_enabled' ] );
add_filter( 'litespeed_esi_url', [ $this, 'sub_esi_block' ], 10, 8 ); // Generate ESI block url
// Filter `litespeed_widget_default_options` // Hook widget default settings value. Currently used in Woo 3rd
// Filter `litespeed_esi_params`
// Action `litespeed_tpl_normal`
// Action `litespeed_esi_load-$block` // @usage add_action( 'litespeed_esi_load-' . $block, $hook )
add_action( 'litespeed_esi_combine', __NAMESPACE__ . '\ESI::combine' );
* To modify default vary, There are two ways: Action `litespeed_vary_append` or Filter `litespeed_vary`
add_action( 'litespeed_vary_ajax_force', __NAMESPACE__ . '\Vary::can_ajax_vary' ); // Force finalize vary even if its in an AJAX call
// Filter `litespeed_vary_curr_cookies` to generate current in use vary, which will be used for response vary header.
// Filter `litespeed_vary_cookies` to register the final vary cookies, which will be written to rewrite rule. (litespeed_vary_curr_cookies are always equal to or less than litespeed_vary_cookies)
// Filter `litespeed_vary`
add_action( 'litespeed_vary_no', __NAMESPACE__ . '\Control::set_no_vary' );
add_filter( 'litespeed_is_from_cloud', [ $this, 'is_from_cloud' ] ); // Check if current request is from QC (usually its to check REST access) // @see https://wordpress.org/support/topic/image-optimization-not-working-3/
add_action( 'litespeed_media_reset', __NAMESPACE__ . '\Media::delete_attachment' );
add_filter( 'litespeed_clean_wrapper_begin', __NAMESPACE__ . '\GUI::clean_wrapper_begin' );
add_filter( 'litespeed_clean_wrapper_end', __NAMESPACE__ . '\GUI::clean_wrapper_end' );
add_action( 'litespeed_debug', __NAMESPACE__ . '\Debug2::debug', 10, 2 );
add_action( 'litespeed_debug2', __NAMESPACE__ . '\Debug2::debug2', 10, 2 );
add_action( 'litespeed_disable_all', [ $this, 'disable_all' ] );
add_action( 'litespeed_after_admin_init', [ $this, 'after_admin_init' ] );
* Registers hooks for admin settings and UI elements.
public function after_admin_init() {
add_action( 'litespeed_setting_enroll', [ $this->cls( 'Admin_Display' ), 'enroll' ], 10, 4 );
add_action( 'litespeed_build_switch', [ $this->cls( 'Admin_Display' ), 'build_switch' ] );
// Action `litespeed_settings_content`
// Action `litespeed_settings_tab`
* Disables all LiteSpeed Cache features with a given reason.
* @param string $reason The reason for disabling all features.
public function disable_all( $reason ) {
do_action( 'litespeed_debug', '[API] Disabled_all due to ' . $reason );
! defined( 'LITESPEED_DISABLE_ALL' ) && define( 'LITESPEED_DISABLE_ALL', true );
* Adds commenter vary to the cache vary cookies.
public static function vary_append_commenter() {
Vary::cls()->append_commenter();
* Checks if the current request originates from QUIC.cloud.
* @return bool True if from QUIC.cloud, false otherwise.
public function is_from_cloud() {
return $this->cls( 'Cloud' )->is_from_cloud();
* Purges the cache for a specific post.
* @param int $pid Post ID to purge.
public function purge_post( $pid ) {
$this->cls( 'Purge' )->purge_post( $pid );
* Purges the cache for a specific URL.
* @param string $url URL to purge.
public function purge_url( $url ) {
$this->cls( 'Purge' )->purge_url( $url );
* Marks the current request as cacheable.
* @param string|bool $reason Optional reason for setting cacheable.
public function set_cacheable( $reason = false ) {
$this->cls( 'Control' )->set_cacheable( $reason );
* Returns whether ESI is enabled.
* @return bool True if ESI is enabled, false otherwise.
public function esi_enabled() {
return $this->cls( 'Router' )->esi_enabled();
* Retrieves the cache TTL (time to live).
* @return int Cache TTL value.
public function get_ttl() {
return $this->cls( 'Control' )->get_ttl();
* Generates a URL for an ESI block.
* @param string $block_id ESI block ID.
* @param string $wrapper Wrapper identifier.
* @param array $params Parameters for the ESI block.
* @param string $control Cache control settings.
* @param bool $silence Silence output flag.
* @param bool $preserved Preserved flag.
* @param bool $svar Server variable flag.
* @param array $inline_param Inline parameters.
* @return string ESI block URL.
public function sub_esi_block(
$control = 'private,no-vary',
return $this->cls( 'ESI' )->sub_esi_block( $block_id, $wrapper, $params, $control, $silence, $preserved, $svar, $inline_param );
* Updates and synchronizes configuration settings.
* @param bool|array $the_matrix Configuration data to update.
public function save_conf( $the_matrix = false ) {
$this->cls( 'Conf' )->update_confs( $the_matrix );
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
