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wp_cache_delete( int|string $key, string $group = '' ): bool

Removes the cache contents matching key and group.

Description

See also

Parameters

$key int|string Required
What the contents in the cache are called.
$group string Optional
Where the cache contents are grouped.

Default: ''

Return

bool True on successful removal, false on failure.

Source

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

function wp_cache_delete( $key, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->delete( $key, $group );
}

Uses

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

Removes the contents of the cache key in the group.

Used By

Used By Description
populate_network_meta() wp-admin/includes/schema.php

Creates WordPress network meta and sets the default values.
populate_site_meta() wp-admin/includes/schema.php

Creates WordPress site meta and sets the default values.
clean_taxonomy_cache() wp-includes/taxonomy.php

Cleans the caches for a taxonomy.
clean_site_details_cache() wp-includes/ms-blogs.php

Cleans the site details cache for a site.
delete_network_option() wp-includes/option.php

Removes a network option by name.
wp_clean_plugins_cache() wp-admin/includes/plugin.php

Clears the plugins cache used by get_plugins() and by default, the plugin updates cache.
update_core() wp-admin/includes/update-core.php

Upgrades the core of WordPress.
delete_get_calendar_cache() wp-includes/general-template.php

Purges the cached results of get_calendar.
delete_usermeta() wp-includes/deprecated.php

Remove user meta data.
update_usermeta() wp-includes/deprecated.php

Update metadata of user.
WP_Theme::cache_delete() wp-includes/class-wp-theme.php

Clears the cache for the theme.
clean_object_term_cache() wp-includes/taxonomy.php

Removes the taxonomy relationship to terms from the cache.
wp_set_object_terms() wp-includes/taxonomy.php

Creates term and taxonomy relationships.
wp_remove_object_terms() wp-includes/taxonomy.php

Removes term(s) associated with a given object.
delete_site_transient() wp-includes/option.php

Deletes a site transient.
delete_option() wp-includes/option.php

Removes option by name. Prevents removal of protected WordPress options.
delete_transient() wp-includes/option.php

Deletes a transient.
clean_user_cache() wp-includes/user.php

Cleans all user caches.
clean_post_cache() wp-includes/post.php

Will clean the post in the cache.
clean_attachment_cache() wp-includes/post.php

Will clean the attachment in the cache.
_transition_post_status() wp-includes/post.php

Hook for managing future post transitions to published.
_wp_upgrade_revisions_of_post() wp-includes/revision.php

Upgrades the revisions author, adds the current post as a revision and sets the revisions version to 1.
clean_bookmark_cache() wp-includes/bookmark.php

Deletes the bookmark cache.
add_user_to_blog() wp-includes/ms-functions.php

Adds a user to a blog, along with specifying the user’s role.
clean_blog_cache() wp-includes/ms-site.php

Clean the blog cache
get_blog_details() wp-includes/ms-blogs.php

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

Updates the comment count for the post.
update_metadata_by_mid() wp-includes/meta.php

Updates metadata by meta ID.
delete_metadata_by_mid() wp-includes/meta.php

Deletes metadata by meta ID.
add_metadata() wp-includes/meta.php

Adds metadata for the specified object.
update_metadata() wp-includes/meta.php

Updates metadata for the specified object. If no value already exists for the specified object ID and metadata key, the metadata will be added.

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_delete