installed plugin W3 Total Cache version 2.3.2
This commit is contained in:
Gitium
446
wp-content/plugins/w3-total-cache/PgCache_Plugin.php
Normal file
446
wp-content/plugins/w3-total-cache/PgCache_Plugin.php
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@ -0,0 +1,446 @@
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<?php
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/**
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* File: PgCache_Plugin.php
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*
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* @package W3TC
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*
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* phpcs:disable PSR2.Classes.PropertyDeclaration.Underscore
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*/
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namespace W3TC;
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/**
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* W3 PgCache plugin
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*/
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class PgCache_Plugin {
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/**
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* Config.
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*
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* @var array
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*/
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private $_config = null;
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->_config = Dispatcher::config();
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}
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/**
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* Runs plugin
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*/
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public function run() {
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add_action( 'w3tc_flush_all', array( $this, 'w3tc_flush_posts' ), 1100, 1 );
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add_action( 'w3tc_flush_group', array( $this, 'w3tc_flush_group' ), 1100, 2 );
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add_action( 'w3tc_flush_post', array( $this, 'w3tc_flush_post' ), 1100, 2 );
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add_action( 'w3tc_flushable_posts', '__return_true', 1100 );
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add_action( 'w3tc_flush_posts', array( $this, 'w3tc_flush_posts' ), 1100 );
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add_action( 'w3tc_flush_url', array( $this, 'w3tc_flush_url' ), 1100, 1 );
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add_filter( 'w3tc_pagecache_set_header', array( $this, 'w3tc_pagecache_set_header' ), 10, 3 );
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add_filter( 'w3tc_admin_bar_menu', array( $this, 'w3tc_admin_bar_menu' ) );
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// phpcs:ignore WordPress.WP.CronInterval.ChangeDetected
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) );
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add_action( 'w3tc_config_save', array( $this, 'w3tc_config_save' ), 10, 1 );
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$o = Dispatcher::component( 'PgCache_ContentGrabber' );
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add_filter( 'w3tc_footer_comment', array( $o, 'w3tc_footer_comment' ) );
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// usage statistics handling.
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add_action( 'w3tc_usage_statistics_of_request', array( $o, 'w3tc_usage_statistics_of_request' ), 10, 1 );
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add_filter( 'w3tc_usage_statistics_metrics', array( $this, 'w3tc_usage_statistics_metrics' ) );
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add_filter( 'w3tc_usage_statistics_sources', array( $this, 'w3tc_usage_statistics_sources' ) );
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if ( 'file' === $this->_config->get_string( 'pgcache.engine' ) ||
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'file_generic' === $this->_config->get_string( 'pgcache.engine' ) ) {
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add_action( 'w3_pgcache_cleanup', array( $this, 'cleanup' ) );
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}
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add_action( 'w3_pgcache_prime', array( $this, 'prime' ) );
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Util_AttachToActions::flush_posts_on_actions();
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add_filter( 'comment_cookie_lifetime', array( $this, 'comment_cookie_lifetime' ) );
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if ( 'file_generic' === $this->_config->get_string( 'pgcache.engine' ) ) {
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add_action( 'wp_logout', array( $this, 'on_logout' ), 0 );
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add_action( 'wp_login', array( $this, 'on_login' ), 0 );
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}
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if ( $this->_config->get_boolean( 'pgcache.prime.post.enabled', false ) ) {
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add_action( 'publish_post', array( $this, 'prime_post' ), 30 );
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}
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if ( ( $this->_config->get_boolean( 'pgcache.late_init' ) ||
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$this->_config->get_boolean( 'pgcache.late_caching' ) ) &&
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! is_admin() ) {
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$o = Dispatcher::component( 'PgCache_ContentGrabber' );
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add_action( 'init', array( $o, 'delayed_cache_print' ), 99999 );
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}
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if ( ! $this->_config->get_boolean( 'pgcache.mirrors.enabled' ) &&
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! Util_Environment::is_wpmu_subdomain() ) {
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add_action( 'init', array( $this, 'redirect_on_foreign_domain' ) );
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}
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if ( 'disable' === $this->_config->get_string( 'pgcache.rest' ) ) {
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// remove XMLRPC edit link.
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remove_action( 'xmlrpc_rsd_apis', 'rest_output_rsd' );
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// remove wp-json in <head>.
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remove_action( 'wp_head', 'rest_output_link_wp_head', 10 );
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// remove HTTP Header.
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remove_action( 'template_redirect', 'rest_output_link_header', 11 );
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add_filter( 'rest_authentication_errors', array( $this, 'rest_authentication_errors' ), 100 );
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}
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}
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/**
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* Get authentication WP Error.
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*
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* @param mixed $result Result.
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*
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* @return WP_Error
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*/
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public function rest_authentication_errors( $result ) {
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$error_message = __( 'REST API disabled.', 'w3-total-cache' );
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return new \WP_Error( 'rest_disabled', $error_message, array( 'status' => rest_authorization_required_code() ) );
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}
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/**
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* Does disk cache cleanup
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*
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* @return void
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*/
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public function cleanup() {
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$this->get_admin()->cleanup();
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}
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/**
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* Prime cache
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*
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* @return void
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*/
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public function prime() {
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$this->get_admin()->prime();
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}
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/**
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* Instantiates worker on demand
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*/
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private function get_admin() {
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return Dispatcher::component( 'PgCache_Plugin_Admin' );
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}
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/**
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* Cron schedules filter
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*
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* @param array $schedules Schedules.
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*
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* @return array
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*/
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public function cron_schedules( $schedules ) {
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$c = $this->_config;
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if ( $c->get_boolean( 'pgcache.enabled' ) &&
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( 'file' === $c->get_string( 'pgcache.engine' ) ||
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'file_generic' === $c->get_string( 'pgcache.engine' ) ) ) {
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$v = $c->get_integer( 'pgcache.file.gc' );
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$schedules['w3_pgcache_cleanup'] = array(
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'interval' => $v,
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'display' => sprintf(
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// translators: 1 interval in seconds.
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__( '[W3TC] Page Cache file GC (every %d seconds)', 'w3-total-cache' ),
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$v
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),
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);
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}
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if ( $c->get_boolean( 'pgcache.enabled' ) &&
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$c->get_boolean( 'pgcache.prime.enabled' ) ) {
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$v = $c->get_integer( 'pgcache.prime.interval' );
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$schedules['w3_pgcache_prime'] = array(
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'interval' => $v,
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'display' => sprintf(
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// translators: 1 interval in seconds.
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__( '[W3TC] Page Cache prime (every %d seconds)', 'w3-total-cache' ),
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$v
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),
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);
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}
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return $schedules;
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}
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/**
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* Redirect if foreign domain or WP_CLI.
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*/
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public function redirect_on_foreign_domain() {
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$request_host = Util_Environment::host();
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// host not known, potentially we are in console mode not http request.
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if ( empty( $request_host ) || defined( 'WP_CLI' ) && WP_CLI ) {
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return;
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}
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$home_url = get_home_url();
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$parsed_url = @wp_parse_url( $home_url ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
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if ( isset( $parsed_url['host'] ) &&
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strtolower( $parsed_url['host'] ) !== strtolower( $request_host ) ) {
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$redirect_url = $parsed_url['scheme'] . '://';
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if ( ! empty( $parsed_url['user'] ) ) {
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$redirect_url .= $parsed_url['user'];
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if ( ! empty( $parsed_url['pass'] ) ) {
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$redirect_url .= ':' . $parsed_url['pass'];
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}
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}
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if ( ! empty( $parsed_url['host'] ) ) {
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$redirect_url .= $parsed_url['host'];
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}
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if ( ! empty( $parsed_url['port'] ) && 80 !== (int) $parsed_url['port'] ) {
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$redirect_url .= ':' . (int) $parsed_url['port'];
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}
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$redirect_url .= isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
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wp_safe_redirect( $redirect_url, 301 );
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exit();
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}
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}
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/**
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* Get comment cookie lifetime
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*
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* @param integer $lifetime Comment cookie lifetime.
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*/
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public function comment_cookie_lifetime( $lifetime ) {
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$l = $this->_config->get_integer( 'pgcache.comment_cookie_ttl' );
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if ( -1 !== $l ) {
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return $l;
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} else {
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return $lifetime;
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}
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}
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/**
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* Add cookie on logout to circumvent pagecache due to browser cache resulting in 304s
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*/
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public function on_logout() {
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setcookie( 'w3tc_logged_out' );
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}
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/**
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* Remove logout cookie on logins
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*/
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public function on_login() {
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if ( isset( $_COOKIE['w3tc_logged_out'] ) ) {
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setcookie( 'w3tc_logged_out', '', 1 );
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}
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}
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/**
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* Primes post.
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*
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* @param integer $post_id Post ID.
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*
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* @return boolean
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*/
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public function prime_post( $post_id ) {
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$w3_pgcache = Dispatcher::component( 'CacheFlush' );
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return $w3_pgcache->prime_post( $post_id );
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}
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/**
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* Retrive usage statistics metrics
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*
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* @param array $metrics Metrics.
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*/
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public function w3tc_usage_statistics_metrics( $metrics ) {
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return array_merge(
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$metrics,
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array(
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'php_requests_pagecache_hit',
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'php_requests_pagecache_miss_404',
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'php_requests_pagecache_miss_ajax',
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'php_requests_pagecache_miss_api_call',
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'php_requests_pagecache_miss_configuration',
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'php_requests_pagecache_miss_fill',
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'php_requests_pagecache_miss_logged_in',
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'php_requests_pagecache_miss_mfunc',
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'php_requests_pagecache_miss_query_string',
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'php_requests_pagecache_miss_third_party',
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'php_requests_pagecache_miss_wp_admin',
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'pagecache_requests_time_10ms',
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)
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);
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}
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/**
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* Usage Statisitcs sources filter.
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*
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* @param array $sources Sources.
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*
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* @return array
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*/
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public function w3tc_usage_statistics_sources( $sources ) {
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$c = Dispatcher::config();
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if ( 'apc' === $c->get_string( 'pgcache.engine' ) ) {
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$sources['apc_servers']['pgcache'] = array(
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'name' => __( 'Page Cache', 'w3-total-cache' ),
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);
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} elseif ( 'memcached' === $c->get_string( 'pgcache.engine' ) ) {
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$sources['memcached_servers']['pgcache'] = array(
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'servers' => $c->get_array( 'pgcache.memcached.servers' ),
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'username' => $c->get_string( 'pgcache.memcached.username' ),
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'password' => $c->get_string( 'pgcache.memcached.password' ),
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'binary_protocol' => $c->get_boolean( 'pgcache.memcached.binary_protocol' ),
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'name' => __( 'Page Cache', 'w3-total-cache' ),
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);
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} elseif ( 'redis' === $c->get_string( 'pgcache.engine' ) ) {
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$sources['redis_servers']['pgcache'] = array(
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'servers' => $c->get_array( 'pgcache.redis.servers' ),
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'verify_tls_certificates' => $c->get_boolean( 'pgcache.redis.verify_tls_certificates' ),
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'dbid' => $c->get_integer( 'pgcache.redis.dbid' ),
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'password' => $c->get_string( 'pgcache.redis.password' ),
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'name' => __( 'Page Cache', 'w3-total-cache' ),
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);
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}
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return $sources;
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}
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/**
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* Setup admin menu elements
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*
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* @param array $menu_items Menu items.
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*/
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public function w3tc_admin_bar_menu( $menu_items ) {
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$menu_items['20110.pagecache'] = array(
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'id' => 'w3tc_flush_pgcache',
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'parent' => 'w3tc_flush',
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'title' => __( 'Page Cache: All', 'w3-total-cache' ),
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'href' => wp_nonce_url( admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_pgcache' ), 'w3tc' ),
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);
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if ( Util_Environment::detect_post_id() && ( ! defined( 'DOING_AJAX' ) || ! DOING_AJAX ) ) {
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$menu_items['20120.pagecache'] = array(
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'id' => 'w3tc_pgcache_flush_post',
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'parent' => 'w3tc_flush',
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'title' => __( 'Page Cache: Current Page', 'w3-total-cache' ),
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'href' => wp_nonce_url(
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admin_url(
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'admin.php?page=w3tc_dashboard&w3tc_flush_post&post_id=' .
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Util_Environment::detect_post_id() . '&force=true'
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),
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'w3tc'
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),
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);
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}
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return $menu_items;
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}
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/**
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* Flush cache group.
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*
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* @param string $group Group name.
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* @param array $extras Additionals to flush.
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*/
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public function w3tc_flush_group( $group, $extras = array() ) {
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if ( isset( $extras['only'] ) && 'pagecache' !== (string) $extras['only'] ) {
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return;
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}
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$pgcacheflush = Dispatcher::component( 'PgCache_Flush' );
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$v = $pgcacheflush->flush_group( $group );
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return $v;
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}
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/**
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* Flushes all caches
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*
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* @param array $extras Additionals to flush.
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*
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* @return boolean
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*/
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public function w3tc_flush_posts( $extras = array() ) {
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if ( isset( $extras['only'] ) && 'pagecache' !== (string) $extras['only'] ) {
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return;
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}
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$pgcacheflush = Dispatcher::component( 'PgCache_Flush' );
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$v = $pgcacheflush->flush();
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return $v;
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}
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/**
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* Flushes post cache
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*
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* @param integer $post_id Post ID.
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* @param boolean $force Force flag (optional).
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*
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* @return boolean
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*/
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public function w3tc_flush_post( $post_id, $force = false ) {
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$pgcacheflush = Dispatcher::component( 'PgCache_Flush' );
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$v = $pgcacheflush->flush_post( $post_id, $force );
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return $v;
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}
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/**
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* Flushes post cache
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*
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* @param string $url URL.
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*
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* @return boolean
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*/
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public function w3tc_flush_url( $url ) {
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$pgcacheflush = Dispatcher::component( 'PgCache_Flush' );
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$v = $pgcacheflush->flush_url( $url );
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return $v;
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}
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/**
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* By default headers are not cached by file_generic
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*
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* @param mixed $header New header.
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* @param mixed $header_original Original header.
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* @param string $pagecache_engine Engine name.
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*
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* @return mixed|null
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*/
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public function w3tc_pagecache_set_header( $header, $header_original, $pagecache_engine ) {
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if ( 'file_generic' === (string) $pagecache_engine ) {
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return null;
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}
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return $header;
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}
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/**
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* Save config item
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*
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* @param array $config Config.
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*/
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public function w3tc_config_save( $config ) {
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// frontend activity.
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if ( $config->get_boolean( 'pgcache.cache.feed' ) ) {
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$config->set( 'pgcache.cache.nginx_handle_xml', true );
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}
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}
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}
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