Question

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

Saves the data to the cache.

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description

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

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参数

$key

(int|string) (Required) The cache key to use for retrieval later.

$data

(mixed) (Required) The contents to store in the cache.

$group

(string) (Optional) Where to group the cache contents. Enables the same key to be used across groups.

Default value: ''

$expire

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

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返回值

(bool) False on failure, true on success

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源代码

File: wp-includes/cache.php

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

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

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更新日志

Version	description
2.0.0	Introduced.

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相关函数

Uses

• wp-includes/cache.php: WP_Object_Cache::set()

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Used By

• wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::find_changeset_post_id()
• wp-includes/functions.php: wp_cache_get_last_changed()
• wp-includes/class-wp-term-query.php: WP_Term_Query::get_terms()
• wp-includes/ms-blogs.php: clean_network_cache()
• wp-includes/class-wp-site.php: WP_Site::get_details()
• wp-includes/taxonomy.php: add_term_meta()
• wp-includes/taxonomy.php: delete_term_meta()
• wp-includes/taxonomy.php: update_term_meta()
• wp-includes/class-wp-comment-query.php: WP_Comment_Query::fill_descendants()
• wp-includes/option.php: update_network_option()
• wp-includes/option.php: add_network_option()
• wp-includes/option.php: get_network_option()
• wp-admin/includes/class-wp-ms-sites-list-table.php: WP_MS_Sites_List_Table::column_users()
• wp-admin/includes/plugin.php: get_plugins()
• wp-includes/general-template.php: wp_get_archives()
• wp-includes/general-template.php: get_calendar()
• wp-includes/functions.php: is_blog_installed()
• wp-includes/taxonomy.php: is_object_in_term()
• wp-includes/taxonomy.php: clean_term_cache()
• wp-includes/link-template.php: get_adjacent_post()
• wp-includes/option.php: set_site_transient()
• wp-includes/option.php: set_transient()
• wp-includes/option.php: wp_load_core_site_options()
• wp-includes/option.php: update_option()
• wp-includes/option.php: add_option()
• wp-includes/option.php: delete_option()
• wp-includes/option.php: get_option()
• wp-includes/post.php: clean_post_cache()
• wp-includes/post.php: _get_last_post_time()
• wp-includes/post.php: get_page_by_path()
• wp-includes/post.php: get_pages()
• wp-includes/post.php: wp_count_posts()
• wp-includes/ms-functions.php: wpmu_create_blog()
• wp-includes/ms-functions.php: get_blog_id_from_url()
• wp-includes/bookmark.php: get_bookmarks()
• wp-includes/ms-blogs.php: clean_blog_cache()
• wp-includes/ms-blogs.php: get_blog_details()
• wp-includes/comment.php: clean_comment_cache()
• wp-includes/comment.php: wp_count_comments()
• wp-includes/comment.php: get_lastcommentmodified()
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User Contributed Notes