Question

clean_post_cache( int|WP_Post $post )

Will clean the post in the cache.

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description

Cleaning means delete from the cache of the post. Will call to clean the term object cache associated with the post ID.

This function not run if $_wp_suspend_cache_invalidation is not empty. See wp_suspend_cache_invalidation().

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参数

$post

(int|WP_Post) (Required) Post ID or post object to remove from the cache.

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源代码

File: wp-includes/post.php

function clean_post_cache( $post ) {
	global $_wp_suspend_cache_invalidation;

	if ( ! empty( $_wp_suspend_cache_invalidation ) )
		return;

	$post = get_post( $post );
	if ( empty( $post ) )
		return;

	wp_cache_delete( $post->ID, 'posts' );
	wp_cache_delete( $post->ID, 'post_meta' );

	clean_object_term_cache( $post->ID, $post->post_type );

	wp_cache_delete( 'wp_get_archives', 'general' );

	/**
	 * Fires immediately after the given post's cache is cleaned.
	 *
	 * @since 2.5.0
	 *
	 * @param int     $post_id Post ID.
	 * @param WP_Post $post    Post object.
	 */
	do_action( 'clean_post_cache', $post->ID, $post );

	if ( 'page' == $post->post_type ) {
		wp_cache_delete( 'all_page_ids', 'posts' );

		/**
		 * Fires immediately after the given page's cache is cleaned.
		 *
		 * @since 2.5.0
		 *
		 * @param int $post_id Post ID.
		 */
		do_action( 'clean_page_cache', $post->ID );
	}

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

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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_cache_delete()
• wp-includes/cache.php: wp_cache_set()
• wp-includes/taxonomy.php: clean_object_term_cache()
• wp-includes/plugin.php: do_action()
• wp-includes/post.php: clean_post_cache
• wp-includes/post.php: clean_page_cache
• wp-includes/post.php: get_post()
Show 2 more uses Hide more uses

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Used By

• wp-includes/theme.php: _wp_keep_alive_customize_changeset_dependent_auto_drafts()
• wp-includes/theme.php: _wp_customize_publish_changeset()
• wp-includes/post.php: wp_add_trashed_suffix_to_post_name_for_post()
• wp-admin/includes/user.php: wp_delete_user()
• wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::_display_rows_hierarchical()
• wp-includes/deprecated.php: clean_page_cache()
• wp-includes/post.php: wp_delete_attachment()
• wp-includes/post.php: wp_publish_post()
• wp-includes/post.php: add_ping()
• wp-includes/post.php: wp_insert_post()
• wp-includes/post.php: wp_delete_post()
• wp-includes/post.php: set_post_type()
• wp-includes/comment.php: wp_update_comment_count_now()
Show 8 more used by Hide more used by

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User Contributed Notes