wp_cache_set()
Function: Saves the data to the cache.
Source: wp-includes/cache.php:108
wp_cache_add()
Function: Adds data to the cache, if the cache key doesn’t already exist.
Source: wp-includes/cache.php:41
wp_cache_close()
Function: Closes the cache.
Source: wp-includes/cache.php:342
wp_cache_decr()
Function: Decrements numeric cache item’s value.
Source: wp-includes/cache.php:249
wp_cache_delete()
Function: Removes the cache contents matching key and group.
Source: wp-includes/cache.php:190