wp_cache_delete() │ WP 2.0.0

Removes the cache contents matching key and group.

Uses: WP_Object_Cache()
Used By: clean_user_cache(), clean_post_cache(), update_metadata()

No Hooks.

Return

true|false. True on successful removal, false on failure.

Usage

wp_cache_delete( $key, $group );
$key(int|string) (required)
What the contents in the cache are called.
$group(string)
Where the cache contents are grouped.
Default: ''

Notes

Changelog

Since 2.0.0 Introduced.

Code of wp_cache_delete() WP 5.9.3

wp-includes/cache.php 
function wp_cache_delete( $key, $group = '' ) {
	global $wp_object_cache;

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

object cache (caching)