335 lines
9.0 KiB
PHP
335 lines
9.0 KiB
PHP
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<?php
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/**
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* File: ObjectCache_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 ObjectCache plugin
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*/
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class ObjectCache_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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* If the object cache has been flushed.
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*
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* @since 2.2.10
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*
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* @var boolean
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*/
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private static $flushed = false;
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/**
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* Constructor.
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*/
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public function __construct() {
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$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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// phpcs:ignore WordPress.WP.CronInterval.ChangeDetected
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add_filter( 'cron_schedules', array( $this, 'cron_schedules' ) );
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add_filter( 'w3tc_footer_comment', array( $this, 'w3tc_footer_comment' ) );
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if ( 'file' === $this->_config->get_string( 'objectcache.engine' ) ) {
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add_action( 'w3_objectcache_cleanup', array( $this, 'cleanup' ) );
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}
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add_action( 'save_post', array( $this, 'on_post_change' ), 0, 2 );
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add_action( 'delete_post', array( $this, 'on_post_change' ), 0, 2 );
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add_action( 'comment_post', array( $this, 'on_comment_change' ), 0 );
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add_action( 'edit_comment', array( $this, 'on_comment_change' ), 0 );
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add_action( 'delete_comment', array( $this, 'on_comment_change' ), 0 );
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add_action( 'wp_set_comment_status', array( $this, 'on_comment_status' ), 0, 2 );
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add_action( 'trackback_post', array( $this, 'on_comment_change' ), 0 );
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add_action( 'pingback_post', array( $this, 'on_comment_change' ), 0 );
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add_action( 'switch_theme', array( $this, 'on_change' ), 0 );
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add_action( 'updated_option', array( $this, 'on_change_option' ), 0, 1 );
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add_action( 'added_option', array( $this, 'on_change_option' ), 0, 1 );
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add_action( 'delete_option', array( $this, 'on_change_option' ), 0, 1 );
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add_action( 'edit_user_profile_update', array( $this, 'on_change_profile' ), 0 );
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add_filter( 'w3tc_admin_bar_menu', array( $this, 'w3tc_admin_bar_menu' ) );
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// usage statistics handling.
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add_action( 'w3tc_usage_statistics_of_request', array( $this, '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 ( Util_Environment::is_wpmu() ) {
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add_action( 'wp_uninitialize_site', array( $this, 'on_change' ), 0 );
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add_action( 'wp_update_site', array( $this, 'on_change' ), 0 );
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add_action( 'switch_blog', array( $this, 'switch_blog' ), 0, 2 );
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}
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}
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/**
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* Does disk cache cleanup
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*
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* @return void
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*/
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public function cleanup() {
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$w3_cache_file_cleaner = new Cache_File_Cleaner(
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array(
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'cache_dir' => Util_Environment::cache_blog_dir( 'object' ),
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'clean_timelimit' => $this->_config->get_integer( 'timelimit.cache_gc' ),
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)
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);
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$w3_cache_file_cleaner->clean();
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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( $schedules ) {
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$gc = $this->_config->get_integer( 'objectcache.file.gc' );
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return array_merge(
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$schedules,
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array(
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'w3_objectcache_cleanup' => array(
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'interval' => $gc,
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'display' => sprintf(
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// translators: 1 interval in seconds.
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__( '[W3TC] Object Cache file GC (every %d seconds)', 'w3-total-cache' ),
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$gc
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),
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),
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)
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);
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}
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/**
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* Change action
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*/
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public function on_change() {
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if ( ! self::$flushed ) {
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$flush = Dispatcher::component( 'CacheFlush' );
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$flush->objectcache_flush();
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self::$flushed = true;
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}
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}
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/**
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* Change post action
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*
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* @param integer $post_id Post ID.
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* @param mixed $post Post.
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*/
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public function on_post_change( $post_id = 0, $post = null ) {
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if ( ! self::$flushed ) {
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if ( is_null( $post ) ) {
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$post = $post_id;
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}
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if ( $post_id > 0 && ! Util_Environment::is_flushable_post( $post, 'objectcache', $this->_config ) ) {
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return;
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}
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$flush = Dispatcher::component( 'CacheFlush' );
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$flush->objectcache_flush();
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self::$flushed = true;
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}
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}
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/**
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* Change action
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*
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* @param string $option Option key.
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*/
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public function on_change_option( $option ) {
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if ( 'cron' === $option ) {
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wp_cache_delete( $option );
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}
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$do_flush = defined( 'WP_ADMIN' )
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|| $this->_config->get_boolean( 'cluster.messagebus.enabled' )
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|| $this->_config->get_boolean( 'objectcache.purge.all' );
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if ( ! self::$flushed && $do_flush ) {
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$flush = Dispatcher::component( 'CacheFlush' );
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$flush->objectcache_flush();
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self::$flushed = true;
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}
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}
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/**
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* Flush cache when user profile is updated
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*
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* @param integer $user_id User ID.
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*/
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public function on_change_profile( $user_id ) {
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if ( ! self::$flushed ) {
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if ( Util_Environment::is_wpmu() ) {
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$blogs = get_blogs_of_user( $user_id, true );
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if ( $blogs ) {
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global $w3_multisite_blogs;
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$w3_multisite_blogs = $blogs;
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}
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}
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$flush = Dispatcher::component( 'CacheFlush' );
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$flush->objectcache_flush();
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self::$flushed = true;
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}
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}
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/**
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* Switch blog action
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*
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* @param integer $blog_id Blog ID.
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* @param integer $previous_blog_id Previous Blog ID.
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*/
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public function switch_blog( $blog_id, $previous_blog_id ) {
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$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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$o->switch_blog( $blog_id );
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}
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/**
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* Comment change action
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*
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* @param integer $comment_id Comment ID.
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*/
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public function on_comment_change( $comment_id ) {
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$post_id = 0;
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if ( $comment_id ) {
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$comment = get_comment( $comment_id, ARRAY_A );
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$post_id = ( ! empty( $comment['comment_post_ID'] ) ? (int) $comment['comment_post_ID'] : 0 );
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}
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$this->on_post_change( $post_id );
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}
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/**
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* Comment status action fired immediately after transitioning a comment’s status from one to another
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* in the database and removing the comment from the object cache, but prior to all status transition hooks.
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*
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* @link https://developer.wordpress.org/reference/functions/wp_set_comment_status/
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*
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* @param integer $comment_id Comment ID.
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* @param string $status Status.
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*/
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public function on_comment_status( $comment_id, $status ) {
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$this->on_comment_change( $comment_id );
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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['20410.objectcache'] = array(
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'id' => 'w3tc_flush_objectcache',
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'parent' => 'w3tc_flush',
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'title' => __( 'Object Cache', 'w3-total-cache' ),
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'href' => wp_nonce_url( admin_url( 'admin.php?page=w3tc_dashboard&w3tc_flush_objectcache' ), 'w3tc' ),
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);
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return $menu_items;
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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 $strings Strings.
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*/
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public function w3tc_footer_comment( $strings ) {
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$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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$strings = $o->w3tc_footer_comment( $strings );
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return $strings;
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}
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/**
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* Usage statistics of request filter
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*
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* @param object $storage Storage object.
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*/
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public function w3tc_usage_statistics_of_request( $storage ) {
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$o = Dispatcher::component( 'ObjectCache_WpObjectCache_Regular' );
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$o->w3tc_usage_statistics_of_request( $storage );
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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( $metrics ) {
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$metrics = array_merge(
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$metrics,
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array(
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'objectcache_get_total',
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'objectcache_get_hits',
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'objectcache_sets',
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'objectcache_flushes',
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'objectcache_time_ms',
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)
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);
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return $metrics;
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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' === $c->get_string( 'objectcache.engine' ) ) {
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$sources['apc_servers']['objectcache'] = array(
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'name' => __( 'Object Cache', 'w3-total-cache' ),
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);
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} elseif ( 'memcached' === $c->get_string( 'objectcache.engine' ) ) {
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$sources['memcached_servers']['objectcache'] = array(
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'servers' => $c->get_array( 'objectcache.memcached.servers' ),
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'username' => $c->get_string( 'objectcache.memcached.username' ),
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'password' => $c->get_string( 'objectcache.memcached.password' ),
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'binary_protocol' => $c->get_boolean( 'objectcache.memcached.binary_protocol' ),
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'name' => __( 'Object Cache', 'w3-total-cache' ),
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);
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} elseif ( 'redis' === $c->get_string( 'objectcache.engine' ) ) {
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$sources['redis_servers']['objectcache'] = array(
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'servers' => $c->get_array( 'objectcache.redis.servers' ),
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'verify_tls_certificates' => $c->get_boolean( 'objectcache.redis.verify_tls_certificates' ),
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'username' => $c->get_boolean( 'objectcache.redis.username' ),
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'dbid' => $c->get_integer( 'objectcache.redis.dbid' ),
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'password' => $c->get_string( 'objectcache.redis.password' ),
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'name' => __( 'Object 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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