wp_cache_add()
Function: Adds data to the cache, if the cache key doesn’t already exist.
Source: wp-includes/cache.php:27
Function: Adds data to the cache, if the cache key doesn’t already exist.
Source: wp-includes/cache.php:27
Function: Closes the cache.
Source: wp-includes/cache.php:46
Function: Decrements numeric cache item’s value.
Source: wp-includes/cache.php:63
Function: Removes the cache contents matching key and group.
Source: wp-includes/cache.php:81