wp_cache_add( int|string $key, mixed $data, string $group = '', int $expire = 0 ): bool

Parameters

$keyint|string

The cache key to use for retrieval later.

$datamixed

The data to add to the cache.

$groupstringoptional

The group to add the cache to. Enables the same key to be used across groups. Default empty.Default: ''

$expireintoptional

When the cache data should expire, in seconds. Default 0 (no expiration).Default: 0

Return

bool

True on success, false if cache key and group already exist.

Used by · 17

• WP_Comment::get_instance()Retrieves a WP_Comment instance.
• WP_Network::get_instance()Retrieves a network from the database by its ID.
• WP_Post::get_instance()Retrieve WP_Post instance.
• WP_Site::get_instance()Retrieves a site from the database by its ID.
• WP_Term::get_instance()Retrieve WP_Term instance.
• WP_Theme::cache_add()Adds theme data to cache.
• get_all_page_ids()Gets a list of page IDs.
• get_bookmark()Retrieves bookmark data.
• get_inline_data()Adds hidden fields with the data for use in the inline editor for posts and pages.
• get_option()Retrieves an option value based on an option name.
• get_terms_to_edit()Gets comma-separated list of terms available to edit for the given post ID.
• get_the_terms()Retrieves the terms of the taxonomy that are attached to the post.

Source

View on Trac ↗View on GitHub ↗

41function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {42	global $wp_object_cache;43 44	return $wp_object_cache->add( $key, $data, $group, (int) $expire );45}

History

Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/cache.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

Corrections

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