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wp_cache_get( int|string $key, string $group = '', bool $force = false, bool $found = null ): mixed|false

Retrieves the cache contents from the cache by key and group.

Description

See also

Parameters

$key int|string Required
The key under which the cache contents are stored.
$group string Optional
Where the cache contents are grouped.

Default: ''

$force bool Optional
Whether to force an update of the local cache from the persistent cache.

Default: false

$found bool 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.

Source

File: wp-includes/cache.php. View all references

function wp_cache_get( $key, $group = '', $force = false, &$found = null ) {
	global $wp_object_cache;

	return $wp_object_cache->get( $key, $group, $force, $found );
}

Uses

Uses Description
WP_Object_Cache::get() wp-includes/class-wp-object-cache.php

Retrieves the cache contents, if it exists.

Used By

Used By Description
get_metadata_raw() wp-includes/meta.php

Retrieves raw metadata value for the specified object.
_find_post_by_old_slug() wp-includes/query.php

Find the post ID for redirecting an old slug.
_find_post_by_old_date() wp-includes/query.php

Find the post ID for redirecting an old date.
WP_Privacy_Requests_Table::get_request_counts() wp-admin/includes/class-wp-privacy-requests-table.php

Count number of requests for each status.
WP_Embed::find_oembed_post_id() wp-includes/class-wp-embed.php

Finds the oEmbed cache post ID for a given cache key.
WP_Customize_Manager::find_changeset_post_id() wp-includes/class-wp-customize-manager.php

Finds the changeset post ID for a given changeset UUID.
wp_cache_get_last_changed() wp-includes/functions.php

Gets last changed date for the specified cache group.
WP_Term_Query::get_terms() wp-includes/class-wp-term-query.php

Retrieves the query results.
WP_Network_Query::get_networks() wp-includes/class-wp-network-query.php

Gets a list of networks matching the query vars.
WP_Site::get_details() wp-includes/class-wp-site.php

Retrieves the details for this site.
ms_load_current_site_and_network() wp-includes/ms-load.php

Identifies the network and site of a requested domain and path and populates the corresponding network and site global objects as part of the multisite bootstrap process.
WP_Site_Query::get_sites() wp-includes/class-wp-site-query.php

Retrieves a list of sites matching the query vars.
WP_Site::get_instance() wp-includes/class-wp-site.php

Retrieves a site from the database by its ID.
WP_Network::get_instance() wp-includes/class-wp-network.php

Retrieves a network from the database by its ID.
WP_Comment::get_instance() wp-includes/class-wp-comment.php

Retrieves a WP_Comment instance.
WP_Comment_Query::fill_descendants() wp-includes/class-wp-comment-query.php

Fetch descendants for located comments.
WP_Term::get_instance() wp-includes/class-wp-term.php

Retrieve WP_Term instance.
update_network_option() wp-includes/option.php

Updates the value of a network option that was already added.
add_network_option() wp-includes/option.php

Adds a new network option.
get_network_option() wp-includes/option.php

Retrieves a network’s option value based on the option name.
WP_MS_Sites_List_Table::column_users() wp-admin/includes/class-wp-ms-sites-list-table.php

Handles the users column output.
WP_Comment_Query::get_comments() wp-includes/class-wp-comment-query.php

Get a list of comments matching the query vars.
get_plugins() wp-admin/includes/plugin.php

Checks the plugins directory and retrieve all plugin files with plugin data.
WP_User::get_data_by() wp-includes/class-wp-user.php

Returns only the main user fields.
wp_get_archives() wp-includes/general-template.php

Displays archive links based on type and format.
get_calendar() wp-includes/general-template.php

Displays calendar with days that have posts as links.
get_usermeta() wp-includes/deprecated.php

Retrieve user metadata.
WP_Theme::cache_get() wp-includes/class-wp-theme.php

Gets theme data from cache.
WP_Query::get_posts() wp-includes/class-wp-query.php

Retrieves an array of posts based on query variables.
is_blog_installed() wp-includes/functions.php

Determines whether WordPress is already installed.
get_object_term_cache() wp-includes/taxonomy.php

Retrieves the cached term objects for the given object ID.
get_objects_in_term() wp-includes/taxonomy.php

Retrieves object IDs of valid taxonomy and term.
get_adjacent_post() wp-includes/link-template.php

Retrieves the adjacent post.
get_site_transient() wp-includes/option.php

Retrieves the value of a site transient.
get_transient() wp-includes/option.php

Retrieves the value of a transient.
wp_load_alloptions() wp-includes/option.php

Loads and caches all autoloaded options, if available or all options.
update_option() wp-includes/option.php

Updates the value of an option that was already added.
add_option() wp-includes/option.php

Adds a new option.
get_option() wp-includes/option.php

Retrieves an option value based on an option name.
WP_Post::get_instance() wp-includes/class-wp-post.php

Retrieve WP_Post instance.
wp_mime_type_icon() wp-includes/post.php

Retrieves the icon for a MIME type or attachment.
_get_last_post_time() wp-includes/post.php

Gets the timestamp of the last time any post was modified or published.
get_all_page_ids() wp-includes/post.php

Gets a list of page IDs.
get_page_by_path() wp-includes/post.php

Retrieves a page given its path.
get_pages() wp-includes/post.php

Retrieves an array of pages (or hierarchical post type items).
wp_count_posts() wp-includes/post.php

Counts number of posts of a post type and if user has permissions to view.
wp_count_attachments() wp-includes/post.php

Counts number of attachments for the mime type(s).
get_blog_id_from_url() wp-includes/ms-functions.php

Gets a blog’s numeric ID from its URL.
get_bookmark() wp-includes/bookmark.php

Retrieves bookmark data.
get_bookmarks() wp-includes/bookmark.php

Retrieves the list of bookmarks.
get_blog_details() wp-includes/ms-blogs.php

Retrieve the details for a blog from the blogs table and blog options.
wp_count_comments() wp-includes/comment.php

Retrieves the total comment counts for the whole site or a single post.
get_lastcommentmodified() wp-includes/comment.php

Retrieves the date the last comment was modified.
metadata_exists() wp-includes/meta.php

Determines if a meta field with the given key exists for the given object ID.

Changelog

Version Description
2.0.0 Introduced.

© 2003–2022 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_cache_get