Question

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. Use update_post_caches() instead.

_prime_post_caches( array $ids,  bool $update_term_cache = true,  bool $update_meta_cache = true )

Adds any posts from the given ids to the cache that do not already exist in cache

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description

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参数

$ids

(array) (Required) ID list.

$update_term_cache

(bool) (Optional) Whether to update the term cache.

Default value: true

$update_meta_cache

(bool) (Optional) Whether to update the meta cache.

Default value: true

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源代码

File: wp-includes/post.php

function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $ids, 'posts' );
	if ( !empty( $non_cached_ids ) ) {
		$fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", join( ",", $non_cached_ids ) ) );

		update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache );
	}
}

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更新日志

Version	description
3.4.0	Introduced.

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相关函数

Uses

• wp-includes/functions.php: _get_non_cached_ids()
• wp-includes/post.php: update_post_caches()
• wp-includes/wp-db.php: wpdb::get_results()

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Used By

• wp-includes/class-wp-comment-query.php: WP_Comment_Query::get_comments()
• wp-admin/includes/class-wp-posts-list-table.php: WP_Posts_List_Table::_display_rows_hierarchical()
• wp-includes/class-wp-query.php: WP_Query::get_posts()
• wp-includes/widgets/class-wp-widget-recent-comments.php: WP_Widget_Recent_Comments::widget()
• wp-includes/post-thumbnail-template.php: update_post_thumbnail_cache()

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User Contributed Notes