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[DIR ] ID3 [ delete | rename ]
[DIR ] IXR [ delete | rename ]
[DIR ] PHPMailer [ delete | rename ]
[DIR ] Requests [ delete | rename ]
[DIR ] SimplePie [ delete | rename ]
[DIR ] Text [ delete | rename ]
[DIR ] assets [ delete | rename ]
[DIR ] block-bindings [ delete | rename ]
[DIR ] block-patterns [ delete | rename ]
[DIR ] block-supports [ delete | rename ]
[DIR ] blocks [ delete | rename ]
[DIR ] certificates [ delete | rename ]
[DIR ] css [ delete | rename ]
[DIR ] customize [ delete | rename ]
[DIR ] fonts [ delete | rename ]
[DIR ] html-api [ delete | rename ]
[DIR ] images [ delete | rename ]
[DIR ] interactivity-api [ delete | rename ]
[DIR ] js [ delete | rename ]
[DIR ] l10n [ delete | rename ]
[DIR ] php-compat [ delete | rename ]
[DIR ] pomo [ delete | rename ]
[DIR ] rest-api [ delete | rename ]
[DIR ] sitemaps [ delete | rename ]
[DIR ] sodium_compat [ delete | rename ]
[DIR ] style-engine [ delete | rename ]
[DIR ] theme-compat [ delete | rename ]
[DIR ] widgets [ delete | rename ]
[FILE] admin-bar.php [ edit | delete | rename ]
[FILE] atomlib.php [ edit | delete | rename ]
[FILE] author-template.php [ edit | delete | rename ]
[FILE] block-bindings.php [ edit | delete | rename ]
[FILE] block-editor.php [ edit | delete | rename ]
[FILE] block-i18n.json [ edit | delete | rename ]
[FILE] block-patterns.php [ edit | delete | rename ]
[FILE] block-template-utils.php [ edit | delete | rename ]
[FILE] block-template.php [ edit | delete | rename ]
[FILE] blocks.php [ edit | delete | rename ]
[FILE] bookmark-template.php [ edit | delete | rename ]
[FILE] bookmark.php [ edit | delete | rename ]
[FILE] cache-compat.php [ edit | delete | rename ]
[FILE] cache.php [ edit | delete | rename ]
[FILE] canonical.php [ edit | delete | rename ]
[FILE] capabilities.php [ edit | delete | rename ]
[FILE] category-template.php [ edit | delete | rename ]
[FILE] category.php [ edit | delete | rename ]
[FILE] class-IXR.php [ edit | delete | rename ]
[FILE] class-avif-info.php [ edit | delete | rename ]
[FILE] class-feed.php [ edit | delete | rename ]
[FILE] class-http.php [ edit | delete | rename ]
[FILE] class-json.php [ edit | delete | rename ]
[FILE] class-oembed.php [ edit | delete | rename ]
[FILE] class-phpass.php [ edit | delete | rename ]
[FILE] class-phpmailer.php [ edit | delete | rename ]
[FILE] class-pop3.php [ edit | delete | rename ]
[FILE] class-requests.php [ edit | delete | rename ]
[FILE] class-simplepie.php [ edit | delete | rename ]
[FILE] class-smtp.php [ edit | delete | rename ]
[FILE] class-snoopy.php [ edit | delete | rename ]
[FILE] class-walker-category-dropdown.php [ edit | delete | rename ]
[FILE] class-walker-category.php [ edit | delete | rename ]
[FILE] class-walker-comment.php [ edit | delete | rename ]
[FILE] class-walker-nav-menu.php [ edit | delete | rename ]
[FILE] class-walker-page-dropdown.php [ edit | delete | rename ]
[FILE] class-walker-page.php [ edit | delete | rename ]
[FILE] class-wp-admin-bar.php [ edit | delete | rename ]
[FILE] class-wp-ajax-response.php [ edit | delete | rename ]
[FILE] class-wp-application-passwords.php [ edit | delete | rename ]
[FILE] class-wp-block-bindings-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-bindings-source.php [ edit | delete | rename ]
[FILE] class-wp-block-editor-context.php [ edit | delete | rename ]
[FILE] class-wp-block-list.php [ edit | delete | rename ]
[FILE] class-wp-block-metadata-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-parser-block.php [ edit | delete | rename ]
[FILE] class-wp-block-parser-frame.php [ edit | delete | rename ]
[FILE] class-wp-block-parser.php [ edit | delete | rename ]
[FILE] class-wp-block-pattern-categories-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-patterns-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-styles-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-supports.php [ edit | delete | rename ]
[FILE] class-wp-block-template.php [ edit | delete | rename ]
[FILE] class-wp-block-templates-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-type-registry.php [ edit | delete | rename ]
[FILE] class-wp-block-type.php [ edit | delete | rename ]
[FILE] class-wp-block.php [ edit | delete | rename ]
[FILE] class-wp-classic-to-block-menu-converter.php [ edit | delete | rename ]
[FILE] class-wp-comment-query.php [ edit | delete | rename ]
[FILE] class-wp-comment.php [ edit | delete | rename ]
[FILE] class-wp-customize-control.php [ edit | delete | rename ]
[FILE] class-wp-customize-manager.php [ edit | delete | rename ]
[FILE] class-wp-customize-nav-menus.php [ edit | delete | rename ]
[FILE] class-wp-customize-panel.php [ edit | delete | rename ]
[FILE] class-wp-customize-section.php [ edit | delete | rename ]
[FILE] class-wp-customize-setting.php [ edit | delete | rename ]
[FILE] class-wp-customize-widgets.php [ edit | delete | rename ]
[FILE] class-wp-date-query.php [ edit | delete | rename ]
[FILE] class-wp-dependencies.php [ edit | delete | rename ]
[FILE] class-wp-dependency.php [ edit | delete | rename ]
[FILE] class-wp-duotone.php [ edit | delete | rename ]
[FILE] class-wp-editor.php [ edit | delete | rename ]
[FILE] class-wp-embed.php [ edit | delete | rename ]
[FILE] class-wp-error.php [ edit | delete | rename ]
[FILE] class-wp-exception.php [ edit | delete | rename ]
[FILE] class-wp-fatal-error-handler.php [ edit | delete | rename ]
[FILE] class-wp-feed-cache-transient.php [ edit | delete | rename ]
[FILE] class-wp-feed-cache.php [ edit | delete | rename ]
[FILE] class-wp-hook.php [ edit | delete | rename ]
[FILE] class-wp-http-cookie.php [ edit | delete | rename ]
[FILE] class-wp-http-curl.php [ edit | delete | rename ]
[FILE] class-wp-http-encoding.php [ edit | delete | rename ]
[FILE] class-wp-http-ixr-client.php [ edit | delete | rename ]
[FILE] class-wp-http-proxy.php [ edit | delete | rename ]
[FILE] class-wp-http-requests-hooks.php [ edit | delete | rename ]
[FILE] class-wp-http-requests-response.php [ edit | delete | rename ]
[FILE] class-wp-http-response.php [ edit | delete | rename ]
[FILE] class-wp-http-streams.php [ edit | delete | rename ]
[FILE] class-wp-http.php [ edit | delete | rename ]
[FILE] class-wp-image-editor-gd.php [ edit | delete | rename ]
[FILE] class-wp-image-editor-imagick.php [ edit | delete | rename ]
[FILE] class-wp-image-editor.php [ edit | delete | rename ]
[FILE] class-wp-list-util.php [ edit | delete | rename ]
[FILE] class-wp-locale-switcher.php [ edit | delete | rename ]
[FILE] class-wp-locale.php [ edit | delete | rename ]
[FILE] class-wp-matchesmapregex.php [ edit | delete | rename ]
[FILE] class-wp-meta-query.php [ edit | delete | rename ]
[FILE] class-wp-metadata-lazyloader.php [ edit | delete | rename ]
[FILE] class-wp-navigation-fallback.php [ edit | delete | rename ]
[FILE] class-wp-network-query.php [ edit | delete | rename ]
[FILE] class-wp-network.php [ edit | delete | rename ]
[FILE] class-wp-object-cache.php [ edit | delete | rename ]
[FILE] class-wp-oembed-controller.php [ edit | delete | rename ]
[FILE] class-wp-oembed.php [ edit | delete | rename ]
[FILE] class-wp-paused-extensions-storage.php [ edit | delete | rename ]
[FILE] class-wp-plugin-dependencies.php [ edit | delete | rename ]
[FILE] class-wp-post-type.php [ edit | delete | rename ]
[FILE] class-wp-post.php [ edit | delete | rename ]
[FILE] class-wp-query.php [ edit | delete | rename ]
[FILE] class-wp-recovery-mode-cookie-service.php [ edit | delete | rename ]
[FILE] class-wp-recovery-mode-email-service.php [ edit | delete | rename ]
[FILE] class-wp-recovery-mode-key-service.php [ edit | delete | rename ]
[FILE] class-wp-recovery-mode-link-service.php [ edit | delete | rename ]
[FILE] class-wp-recovery-mode.php [ edit | delete | rename ]
[FILE] class-wp-rewrite.php [ edit | delete | rename ]
[FILE] class-wp-role.php [ edit | delete | rename ]
[FILE] class-wp-roles.php [ edit | delete | rename ]
[FILE] class-wp-script-modules.php [ edit | delete | rename ]
[FILE] class-wp-scripts.php [ edit | delete | rename ]
[FILE] class-wp-session-tokens.php [ edit | delete | rename ]
[FILE] class-wp-simplepie-file.php [ edit | delete | rename ]
[FILE] class-wp-simplepie-sanitize-kses.php [ edit | delete | rename ]
[FILE] class-wp-site-query.php [ edit | delete | rename ]
[FILE] class-wp-site.php [ edit | delete | rename ]
[FILE] class-wp-styles.php [ edit | delete | rename ]
[FILE] class-wp-tax-query.php [ edit | delete | rename ]
[FILE] class-wp-taxonomy.php [ edit | delete | rename ]
[FILE] class-wp-term-query.php [ edit | delete | rename ]
[FILE] class-wp-term.php [ edit | delete | rename ]
[FILE] class-wp-text-diff-renderer-inline.php [ edit | delete | rename ]
[FILE] class-wp-text-diff-renderer-table.php [ edit | delete | rename ]
[FILE] class-wp-textdomain-registry.php [ edit | delete | rename ]
[FILE] class-wp-theme-json-data.php [ edit | delete | rename ]
[FILE] class-wp-theme-json-resolver.php [ edit | delete | rename ]
[FILE] class-wp-theme-json-schema.php [ edit | delete | rename ]
[FILE] class-wp-theme-json.php [ edit | delete | rename ]
[FILE] class-wp-theme.php [ edit | delete | rename ]
[FILE] class-wp-token-map.php [ edit | delete | rename ]
[FILE] class-wp-user-meta-session-tokens.php [ edit | delete | rename ]
[FILE] class-wp-user-query.php [ edit | delete | rename ]
[FILE] class-wp-user-request.php [ edit | delete | rename ]
[FILE] class-wp-user.php [ edit | delete | rename ]
[FILE] class-wp-walker.php [ edit | delete | rename ]
[FILE] class-wp-widget-factory.php [ edit | delete | rename ]
[FILE] class-wp-widget.php [ edit | delete | rename ]
[FILE] class-wp-xmlrpc-server.php [ edit | delete | rename ]
[FILE] class-wp.php [ edit | delete | rename ]
[FILE] class-wpdb.php [ edit | delete | rename ]
[FILE] class.wp-dependencies.php [ edit | delete | rename ]
[FILE] class.wp-scripts.php [ edit | delete | rename ]
[FILE] class.wp-styles.php [ edit | delete | rename ]
[FILE] comment-template.php [ edit | delete | rename ]
[FILE] comment.php [ edit | delete | rename ]
[FILE] compat.php [ edit | delete | rename ]
[FILE] cron.php [ edit | delete | rename ]
[FILE] date.php [ edit | delete | rename ]
[FILE] default-constants.php [ edit | delete | rename ]
[FILE] default-filters.php [ edit | delete | rename ]
[FILE] default-widgets.php [ edit | delete | rename ]
[FILE] deprecated.php [ edit | delete | rename ]
[FILE] embed-template.php [ edit | delete | rename ]
[FILE] embed.php [ edit | delete | rename ]
[FILE] error-protection.php [ edit | delete | rename ]
[FILE] feed-atom-comments.php [ edit | delete | rename ]
[FILE] feed-atom.php [ edit | delete | rename ]
[FILE] feed-rdf.php [ edit | delete | rename ]
[FILE] feed-rss.php [ edit | delete | rename ]
[FILE] feed-rss2-comments.php [ edit | delete | rename ]
[FILE] feed-rss2.php [ edit | delete | rename ]
[FILE] feed.php [ edit | delete | rename ]
[FILE] fonts.php [ edit | delete | rename ]
[FILE] formatting.php [ edit | delete | rename ]
[FILE] functions.php [ edit | delete | rename ]
[FILE] functions.wp-scripts.php [ edit | delete | rename ]
[FILE] functions.wp-styles.php [ edit | delete | rename ]
[FILE] general-template.php [ edit | delete | rename ]
[FILE] global-styles-and-settings.php [ edit | delete | rename ]
[FILE] http.php [ edit | delete | rename ]
[FILE] https-detection.php [ edit | delete | rename ]
[FILE] https-migration.php [ edit | delete | rename ]
[FILE] kses.php [ edit | delete | rename ]
[FILE] l10n.php [ edit | delete | rename ]
[FILE] link-template.php [ edit | delete | rename ]
[FILE] load.php [ edit | delete | rename ]
[FILE] locale.php [ edit | delete | rename ]
[FILE] media-template.php [ edit | delete | rename ]
[FILE] media.php [ edit | delete | rename ]
[FILE] meta.php [ edit | delete | rename ]
[FILE] ms-blogs.php [ edit | delete | rename ]
[FILE] ms-default-constants.php [ edit | delete | rename ]
[FILE] ms-default-filters.php [ edit | delete | rename ]
[FILE] ms-deprecated.php [ edit | delete | rename ]
[FILE] ms-files.php [ edit | delete | rename ]
[FILE] ms-functions.php [ edit | delete | rename ]
[FILE] ms-load.php [ edit | delete | rename ]
[FILE] ms-network.php [ edit | delete | rename ]
[FILE] ms-settings.php [ edit | delete | rename ]
[FILE] ms-site.php [ edit | delete | rename ]
[FILE] nav-menu-template.php [ edit | delete | rename ]
[FILE] nav-menu.php [ edit | delete | rename ]
[FILE] option.php [ edit | delete | rename ]
[FILE] pluggable-deprecated.php [ edit | delete | rename ]
[FILE] pluggable.php [ edit | delete | rename ]
[FILE] plugin.php [ edit | delete | rename ]
[FILE] post-formats.php [ edit | delete | rename ]
[FILE] post-template.php [ edit | delete | rename ]
[FILE] post-thumbnail-template.php [ edit | delete | rename ]
[FILE] post.php [ edit | delete | rename ]
[FILE] query.php [ edit | delete | rename ]
[FILE] registration-functions.php [ edit | delete | rename ]
[FILE] registration.php [ edit | delete | rename ]
[FILE] rest-api.php [ edit | delete | rename ]
[FILE] revision.php [ edit | delete | rename ]
[FILE] rewrite.php [ edit | delete | rename ]
[FILE] robots-template.php [ edit | delete | rename ]
[FILE] rss-functions.php [ edit | delete | rename ]
[FILE] rss.php [ edit | delete | rename ]
[FILE] script-loader.php [ edit | delete | rename ]
[FILE] script-modules.php [ edit | delete | rename ]
[FILE] session.php [ edit | delete | rename ]
[FILE] shortcodes.php [ edit | delete | rename ]
[FILE] sitemaps.php [ edit | delete | rename ]
[FILE] spl-autoload-compat.php [ edit | delete | rename ]
[FILE] style-engine.php [ edit | delete | rename ]
[FILE] taxonomy.php [ edit | delete | rename ]
[FILE] template-canvas.php [ edit | delete | rename ]
[FILE] template-loader.php [ edit | delete | rename ]
[FILE] template.php [ edit | delete | rename ]
[FILE] theme-i18n.json [ edit | delete | rename ]
[FILE] theme-previews.php [ edit | delete | rename ]
[FILE] theme-templates.php [ edit | delete | rename ]
[FILE] theme.json [ edit | delete | rename ]
[FILE] theme.php [ edit | delete | rename ]
[FILE] update.php [ edit | delete | rename ]
[FILE] user.php [ edit | delete | rename ]
[FILE] vars.php [ edit | delete | rename ]
[FILE] version.php [ edit | delete | rename ]
[FILE] widgets.php [ edit | delete | rename ]
[FILE] wp-db.php [ edit | delete | rename ]
[FILE] wp-diff.php [ edit | delete | rename ]
Viewing: cache.php
<?php
/**
* Object Cache API
*
* @link https://developer.wordpress.org/reference/classes/wp_object_cache/
*
* @package WordPress
* @subpackage Cache
*/
/** WP_Object_Cache class */
require_once ABSPATH . WPINC . '/class-wp-object-cache.php';
/**
* 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();
}
/**
* 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 );
}
/**
* Adds multiple values to the cache in one call.
*
* @since 6.0.0
*
* @see WP_Object_Cache::add_multiple()
* @global WP_Object_Cache $wp_object_cache Object cache global instance.
*
* @param array $data Array of keys and values to be set.
* @param string $group Optional. Where the cache contents are grouped. Default empty.
* @param int $expire Optional. When to expire the cache contents, in seconds.
* Default 0 (no expiration).
* @return bool[] Array of return values, grouped by key. Each value is either
* true on success, or false if cache key and group already exist.
*/
function wp_cache_add_multiple( array $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
return $wp_object_cache->add_multiple( $data, $group, $expire );
}
/**
* 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 True if contents were replaced, false if original value does not exist.
*/
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 );
}
/**
* Sets multiple values to the cache in one call.
*
* @since 6.0.0
*
* @see WP_Object_Cache::set_multiple()
* @global WP_Object_Cache $wp_object_cache Object cache global instance.
*
* @param array $data Array of keys and values to be set.
* @param string $group Optional. Where the cache contents are grouped. Default empty.
* @param int $expire Optional. When to expire the cache contents, in seconds.
* Default 0 (no expiration).
* @return bool[] Array of return values, grouped by key. Each value is either
* true on success, or false on failure.
*/
function wp_cache_set_multiple( array $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
return $wp_object_cache->set_multiple( $data, $group, $expire );
}
/**
* 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 mixed|false The cache contents on success, false on failure to retrieve contents.
*/
function wp_cache_get( $key, $group = '', $force = false, &$found = null ) {
global $wp_object_cache;
return $wp_object_cache->get( $key, $group, $force, $found );
}
/**
* Retrieves multiple values from the cache in one call.
*
* @since 5.5.0
*
* @see WP_Object_Cache::get_multiple()
* @global WP_Object_Cache $wp_object_cache Object cache global instance.
*
* @param array $keys Array of keys 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.
* @return array Array of return values, grouped by key. Each value is either
* the cache contents on success, or false on failure.
*/
function wp_cache_get_multiple( $keys, $group = '', $force = false ) {
global $wp_object_cache;
return $wp_object_cache->get_multiple( $keys, $group, $force );
}
/**
* 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 );
}
/**
* Deletes multiple values from the cache in one call.
*
* @since 6.0.0
*
* @see WP_Object_Cache::delete_multiple()
* @global WP_Object_Cache $wp_object_cache Object cache global instance.
*
* @param array $keys Array of keys under which the cache to deleted.
* @param string $group Optional. Where the cache contents are grouped. Default empty.
* @return bool[] Array of return values, grouped by key. Each value is either
* true on success, or false if the contents were not deleted.
*/
function wp_cache_delete_multiple( array $keys, $group = '' ) {
global $wp_object_cache;
return $wp_object_cache->delete_multiple( $keys, $group );
}
/**
* Increments 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 );
}
/**
* 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 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();
}
/**
* Removes all cache items from the in-memory runtime cache.
*
* @since 6.0.0
*
* @see WP_Object_Cache::flush()
*
* @return bool True on success, false on failure.
*/
function wp_cache_flush_runtime() {
return wp_cache_flush();
}
/**
* Removes all cache items in a group, if the object cache implementation supports it.
*
* Before calling this function, always check for group flushing support using the
* `wp_cache_supports( 'flush_group' )` function.
*
* @since 6.1.0
*
* @see WP_Object_Cache::flush_group()
* @global WP_Object_Cache $wp_object_cache Object cache global instance.
*
* @param string $group Name of group to remove from cache.
* @return bool True if group was flushed, false otherwise.
*/
function wp_cache_flush_group( $group ) {
global $wp_object_cache;
return $wp_object_cache->flush_group( $group );
}
/**
* Determines whether the object cache implementation supports a particular feature.
*
* @since 6.1.0
*
* @param string $feature Name of the feature to check for. Possible values include:
* 'add_multiple', 'set_multiple', 'get_multiple', 'delete_multiple',
* 'flush_runtime', 'flush_group'.
* @return bool True if the feature is supported, false otherwise.
*/
function wp_cache_supports( $feature ) {
switch ( $feature ) {
case 'add_multiple':
case 'set_multiple':
case 'get_multiple':
case 'delete_multiple':
case 'flush_runtime':
case 'flush_group':
return true;
default:
return false;
}
}
/**
* 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;
}
/**
* 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|string[] $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|string[] $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.
}
/**
* 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 );
}
/**
* Resets 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 3.0.0
* @deprecated 3.5.0 Use wp_cache_switch_to_blog()
* @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_cache_switch_to_blog()' );
global $wp_object_cache;
$wp_object_cache->reset();
}