Question

clean_blog_cache( WP_Site $blog )

Clean the blog cache

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description

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参数

$blog

(WP_Site) (Required) The site object to be cleared from cache.

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源代码

File: wp-includes/ms-blogs.php

function clean_blog_cache( $blog ) {
	global $_wp_suspend_cache_invalidation;

	if ( ! empty( $_wp_suspend_cache_invalidation ) ) {
		return;
	}

	$blog_id = $blog->blog_id;
	$domain_path_key = md5( $blog->domain . $blog->path );

	wp_cache_delete( $blog_id, 'sites' );
	wp_cache_delete( $blog_id, 'site-details' );
	wp_cache_delete( $blog_id, 'blog-details' );
	wp_cache_delete( $blog_id . 'short' , 'blog-details' );
	wp_cache_delete( $domain_path_key, 'blog-lookup' );
	wp_cache_delete( $domain_path_key, 'blog-id-cache' );
	wp_cache_delete( 'current_blog_' . $blog->domain, 'site-options' );
	wp_cache_delete( 'current_blog_' . $blog->domain . $blog->path, 'site-options' );

	/**
	 * Fires immediately after a site has been removed from the object cache.
	 *
	 * @since 4.6.0
	 *
	 * @param int     $id              Blog ID.
	 * @param WP_Site $blog            Site object.
	 * @param string  $domain_path_key md5 hash of domain and path.
	 */
	do_action( 'clean_site_cache', $blog_id, $blog, $domain_path_key );

	wp_cache_set( 'last_changed', microtime(), 'sites' );
}

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更新日志

Version	description
3.5.0	Introduced.

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相关函数

Uses

• wp-includes/ms-blogs.php: clean_site_cache
• wp-includes/cache.php: wp_cache_delete()
• wp-includes/cache.php: wp_cache_set()
• wp-includes/plugin.php: do_action()

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Used By

• wp-admin/includes/ms.php: wpmu_delete_blog()
• wp-includes/ms-blogs.php: refresh_blog_details()

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User Contributed Notes