Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

WP_REST_URL_Details_Controller::set_cache( string $key, string $data = '' ): bool

Utility function to cache a given data set at a given cache key.


$key string Required
The cache key under which to store the value.
$data string Optional
The data to be stored at the given cache key.

Default: ''

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bool True when transient set. False if not set.

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File: wp-includes/rest-api/endpoints/class-wp-rest-url-details-controller.php. View all references

private function set_cache( $key, $data = '' ) {

	 * Filters the cache expiration.
	 * Can be used to adjust the time until expiration in seconds for the cache
	 * of the data retrieved for the given URL.
	 * @since 5.9.0
	 * @param int $ttl The time until cache expiration in seconds.
	$cache_expiration = apply_filters( 'rest_url_details_cache_expiration', $ttl );

	return set_site_transient( $key, $data, $cache_expiration );

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Version Description
5.9.0 Introduced.

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