wordpress函数clean_attachment_cache()用法示例

clean_attachment_cache( int $id,  bool $clean_terms = false )

Will clean the attachment in the cache.

描述

Cleaning means delete from the cache. Optionally will clean the term object cache associated with the attachment ID.

This function will not run if $_wp_suspend_cache_invalidation is not empty.

参数

$id

(int)
(Required)
The attachment ID in the cache to clean.

$clean_terms

(bool)
(Optional)
Whether to clean terms cache.

Default value: false

源代码

File: wp-includes/post.php

function clean_attachment_cache( $id, $clean_terms = false ) {
	global $_wp_suspend_cache_invalidation;

	if ( !empty($_wp_suspend_cache_invalidation) )
		return;

	$id = (int) $id;

	wp_cache_delete($id, 'posts');
	wp_cache_delete($id, 'post_meta');

	if ( $clean_terms )
		clean_object_term_cache($id, 'attachment');

	/**
	 * Fires after the given attachment's cache is cleaned.
	 *
	 * @since 3.0.0
	 *
	 * @param int $id Attachment ID.
	 */
	do_action( 'clean_attachment_cache', $id );
}

更新日志

相关函数

Uses

• wp-includes/cache.php:
  wp_cache_delete()
• wp-includes/taxonomy.php:
  clean_object_term_cache()
• wp-includes/plugin.php:
  do_action()
• wp-includes/post.php:
  clean_attachment_cache

Used By

• wp-admin/includes/media.php:
  wp_media_attach_action()

User Contributed Notes