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wp_cache_set( int|string $key, mixed $data, string $group = , int $expire ): bool

Saves the data to the cache.

Description

Differs from wp_cache_add() and wp_cache_replace() in that it will always write data.

See also

Parameters

$keyint|stringrequired
The cache key to use for retrieval later.
$datamixedrequired
The contents to store in the cache.
$groupstringoptional
Where to group the cache contents. Enables the same key to be used across groups.

Default:''

$expireintoptional
When to expire the cache contents, in seconds.
Default 0 (no expiration).

Return

bool True on success, false on failure.

Source

function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->set( $key, $data, $group, (int) $expire );
}

Changelog

Version Description
2.0.0 Introduced.

© 2003–2024 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_cache_set