wp_cache_add( int|string $key, mixed $data, string $group = '', int $expire ): bool
Adds data to the cache, if the cache key doesn’t already exist.
Contents
Description
See also
Parameters
-
$keyint|string Required -
The cache key to use for retrieval later.
-
$datamixed Required -
The data to add to the cache.
-
$groupstring Optional -
The group to add the cache to. Enables the same key to be used across groups.
Default:
'' -
$expireint Optional -
When the cache data should expire, in seconds.
Default 0 (no expiration).
Return
bool True on success, false if cache key and group already exist.
Source
File: wp-includes/cache.php.
View all references
function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
global $wp_object_cache;
return $wp_object_cache->add( $key, $data, $group, (int) $expire );
}
Changelog
| Version | Description |
|---|---|
| 2.0.0 | Introduced. |