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Files:
admin-bar.php
atomlib.php
author-template.php
blocks.php
bookmark-template.php
bookmark.php
cache.php
canonical.php
capabilities.php
category-template.php
category.php
class-IXR.php
class-feed.php
class-http.php
class-json.php
class-oembed.php
class-phpass.php
class-phpmailer.php
class-pop3.php
class-requests.php
class-simplepie.php
class-smtp.php
class-snoopy.php
class-walker-category-dropdown.php
class-walker-category.php
class-walker-comment.php
class-walker-nav-menu.php
class-walker-page-dropdown.php
class-walker-page.php
class-wp-admin-bar.php
class-wp-ajax-response.php
class-wp-block-parser.php
class-wp-block-styles-registry.php
class-wp-block-type-registry.php
class-wp-block-type.php
class-wp-comment-query.php
class-wp-comment.php
class-wp-customize-control.php
class-wp-customize-manager.php
class-wp-customize-nav-menus.php
class-wp-customize-panel.php
class-wp-customize-section.php
class-wp-customize-setting.php
class-wp-customize-widgets.php
class-wp-date-query.php
class-wp-dependency.php
class-wp-editor.php
class-wp-embed.php
class-wp-error.php
class-wp-fatal-error-handler.php
class-wp-feed-cache-transient.php
class-wp-feed-cache.php
class-wp-hook.php
class-wp-http-cookie.php
class-wp-http-curl.php
class-wp-http-encoding.php
class-wp-http-ixr-client.php
class-wp-http-proxy.php
class-wp-http-requests-hooks.php
class-wp-http-requests-response.php
class-wp-http-response.php
class-wp-http-streams.php
class-wp-image-editor-gd.php
class-wp-image-editor-imagick.php
class-wp-image-editor.php
class-wp-list-util.php
class-wp-locale-switcher.php
class-wp-locale.php
class-wp-matchesmapregex.php
class-wp-meta-query.php
class-wp-metadata-lazyloader.php
class-wp-network-query.php
class-wp-network.php
class-wp-object-cache.php
class-wp-oembed-controller.php
class-wp-oembed.php
class-wp-paused-extensions-storage.php
class-wp-post-type.php
class-wp-post.php
class-wp-query.php
class-wp-recovery-mode-cookie-service.php
class-wp-recovery-mode-email-service.php
class-wp-recovery-mode-key-service.php
class-wp-recovery-mode-link-service.php
class-wp-recovery-mode.php
class-wp-rewrite.php
class-wp-role.php
class-wp-roles.php
class-wp-session-tokens.php
class-wp-simplepie-file.php
class-wp-simplepie-sanitize-kses.php
class-wp-site-query.php
class-wp-site.php
class-wp-tax-query.php
class-wp-taxonomy.php
class-wp-term-query.php
class-wp-term.php
class-wp-text-diff-renderer-inline.php
class-wp-text-diff-renderer-table.php
class-wp-theme.php
class-wp-user-meta-session-tokens.php
class-wp-user-query.php
class-wp-user-request.php
class-wp-user.php
class-wp-walker.php
class-wp-widget-factory.php
class-wp-widget.php
class-wp-xmlrpc-server.php
class-wp.php
class.wp-dependencies.php
class.wp-scripts.php
class.wp-styles.php
comment-template.php
comment.php
compat.php
cron.php
date.php
default-constants.php
default-filters.php
default-widgets.php
deprecated.php
embed-template.php
embed.php
error-protection.php
feed-atom-comments.php
feed-atom.php
feed-rdf.php
feed-rss.php
feed-rss2-comments.php
feed-rss2.php
feed.php
formatting.php
functions.php
functions.wp-scripts.php
functions.wp-styles.php
general-template.php
http.php
kses.php
l10n.php
link-template.php
load.php
locale.php
media-template.php
media.php
meta.php
ms-blogs.php
ms-default-constants.php
ms-default-filters.php
ms-deprecated.php
ms-files.php
ms-functions.php
ms-load.php
ms-network.php
ms-settings.php
ms-site.php
nav-menu-template.php
nav-menu.php
option.php
pluggable-deprecated.php
pluggable.php
plugin.php
post-formats.php
post-template.php
post-thumbnail-template.php
post.php
query.php
registration-functions.php
registration.php
rest-api.php
revision.php
rewrite.php
rss-functions.php
rss.php
script-loader.php
session.php
shortcodes.php
spl-autoload-compat.php
taxonomy.php
template-loader.php
template.php
theme.php
update.php
user.php
vars.php
version.php
widgets.php
wp-db.php
wp-diff.php
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Edit File: cache.php
<?php /** * Object Cache API * * @link https://codex.wordpress.org/Class_Reference/WP_Object_Cache * * @package WordPress * @subpackage Cache */ /** WP_Object_Cache class */ require_once ABSPATH . WPINC . '/class-wp-object-cache.php'; /** * Adds data to the cache, if the cache key doesn't already exist. * * @since 2.0.0 * * @see WP_Object_Cache::add() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The cache key to use for retrieval later. * @param mixed $data The data to add to the cache. * @param string $group Optional. The group to add the cache to. Enables the same key * to be used across groups. Default empty. * @param int $expire Optional. When the cache data should expire, in seconds. * Default 0 (no expiration). * @return bool True on success, false if cache key and group already exist. */ function wp_cache_add( $key, $data, $group = '', $expire = 0 ) { global $wp_object_cache; return $wp_object_cache->add( $key, $data, $group, (int) $expire ); } /** * Closes the cache. * * This function has ceased to do anything since WordPress 2.5. The * functionality was removed along with the rest of the persistent cache. * * This does not mean that plugins can't implement this function when they need * to make sure that the cache is cleaned up after WordPress no longer needs it. * * @since 2.0.0 * * @return true Always returns true. */ function wp_cache_close() { return true; } /** * Decrements numeric cache item's value. * * @since 3.3.0 * * @see WP_Object_Cache::decr() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The cache key to decrement. * @param int $offset Optional. The amount by which to decrement the item's value. Default 1. * @param string $group Optional. The group the key is in. Default empty. * @return int|false The item's new value on success, false on failure. */ function wp_cache_decr( $key, $offset = 1, $group = '' ) { global $wp_object_cache; return $wp_object_cache->decr( $key, $offset, $group ); } /** * Removes the cache contents matching key and group. * * @since 2.0.0 * * @see WP_Object_Cache::delete() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key What the contents in the cache are called. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @return bool True on successful removal, false on failure. */ function wp_cache_delete( $key, $group = '' ) { global $wp_object_cache; return $wp_object_cache->delete( $key, $group ); } /** * Removes all cache items. * * @since 2.0.0 * * @see WP_Object_Cache::flush() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @return bool True on success, false on failure. */ function wp_cache_flush() { global $wp_object_cache; return $wp_object_cache->flush(); } /** * Retrieves the cache contents from the cache by key and group. * * @since 2.0.0 * * @see WP_Object_Cache::get() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The key under which the cache contents are stored. * @param string $group Optional. Where the cache contents are grouped. Default empty. * @param bool $force Optional. Whether to force an update of the local cache from the persistent * cache. Default false. * @param bool $found Optional. Whether the key was found in the cache (passed by reference). * Disambiguates a return of false, a storable value. Default null. * @return bool|mixed False on failure to retrieve contents or the cache * contents on success */ function wp_cache_get( $key, $group = '', $force = false, &$found = null ) { global $wp_object_cache; return $wp_object_cache->get( $key, $group, $force, $found ); } /** * Increment numeric cache item's value * * @since 3.3.0 * * @see WP_Object_Cache::incr() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The key for the cache contents that should be incremented. * @param int $offset Optional. The amount by which to increment the item's value. Default 1. * @param string $group Optional. The group the key is in. Default empty. * @return int|false The item's new value on success, false on failure. */ function wp_cache_incr( $key, $offset = 1, $group = '' ) { global $wp_object_cache; return $wp_object_cache->incr( $key, $offset, $group ); } /** * Sets up Object Cache Global and assigns it. * * @since 2.0.0 * * @global WP_Object_Cache $wp_object_cache */ function wp_cache_init() { $GLOBALS['wp_object_cache'] = new WP_Object_Cache(); } /** * Replaces the contents of the cache with new data. * * @since 2.0.0 * * @see WP_Object_Cache::replace() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The key for the cache data that should be replaced. * @param mixed $data The new data to store in the cache. * @param string $group Optional. The group for the cache data that should be replaced. * Default empty. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * @return bool False if original value does not exist, true if contents were replaced */ function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) { global $wp_object_cache; return $wp_object_cache->replace( $key, $data, $group, (int) $expire ); } /** * Saves the data to the cache. * * Differs from wp_cache_add() and wp_cache_replace() in that it will always write data. * * @since 2.0.0 * * @see WP_Object_Cache::set() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int|string $key The cache key to use for retrieval later. * @param mixed $data The contents to store in the cache. * @param string $group Optional. Where to group the cache contents. Enables the same key * to be used across groups. Default empty. * @param int $expire Optional. When to expire the cache contents, in seconds. * Default 0 (no expiration). * @return bool True on success, false on failure. */ function wp_cache_set( $key, $data, $group = '', $expire = 0 ) { global $wp_object_cache; return $wp_object_cache->set( $key, $data, $group, (int) $expire ); } /** * Switches the internal blog ID. * * This changes the blog id used to create keys in blog specific groups. * * @since 3.5.0 * * @see WP_Object_Cache::switch_to_blog() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param int $blog_id Site ID. */ function wp_cache_switch_to_blog( $blog_id ) { global $wp_object_cache; $wp_object_cache->switch_to_blog( $blog_id ); } /** * Adds a group or set of groups to the list of global groups. * * @since 2.6.0 * * @see WP_Object_Cache::add_global_groups() * @global WP_Object_Cache $wp_object_cache Object cache global instance. * * @param string|array $groups A group or an array of groups to add. */ function wp_cache_add_global_groups( $groups ) { global $wp_object_cache; $wp_object_cache->add_global_groups( $groups ); } /** * Adds a group or set of groups to the list of non-persistent groups. * * @since 2.6.0 * * @param string|array $groups A group or an array of groups to add. */ function wp_cache_add_non_persistent_groups( $groups ) { // Default cache doesn't persist so nothing to do here. } /** * Reset internal cache keys and structures. * * If the cache back end uses global blog or site IDs as part of its cache keys, * this function instructs the back end to reset those keys and perform any cleanup * since blog or site IDs have changed since cache init. * * This function is deprecated. Use wp_cache_switch_to_blog() instead of this * function when preparing the cache for a blog switch. For clearing the cache * during unit tests, consider using wp_cache_init(). wp_cache_init() is not * recommended outside of unit tests as the performance penalty for using it is * high. * * @since 2.6.0 * @deprecated 3.5.0 WP_Object_Cache::reset() * @see WP_Object_Cache::reset() * * @global WP_Object_Cache $wp_object_cache Object cache global instance. */ function wp_cache_reset() { _deprecated_function( __FUNCTION__, '3.5.0', 'WP_Object_Cache::reset()' ); global $wp_object_cache; $wp_object_cache->reset(); }
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