restore_current_blog()
调用switch_to_blog（）后还原当前日志。目录锚点：#说明#返回#源码
Restore the current blog, after calling switch_to_blog().
说明（Description）
另见函数 switch_to_blog()
返回（Return）
（bool）成功时为真，如果我们已经在当前博客上，则为假。源码（Source）
/**
* Restore the current blog, after calling switch_to_blog()
*
* @see switch_to_blog()
* @since MU
*
* @global wpdb $wpdb
* @global array $_wp_switched_stack
* @global int $blog_id
* @global bool $switched
* @global string $table_prefix
* @global WP_Object_Cache $wp_object_cache
*
* @return bool True on success, false if we're already on the current blog
*/
function restore_current_blog() {
global $wpdb;
if ( empty( $GLOBALS['_wp_switched_stack'] ) )
return false;
$blog = array_pop( $GLOBALS['_wp_switched_stack'] );
if ( $GLOBALS['blog_id'] == $blog ) {
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'switch_blog', $blog, $blog );
// If we still have items in the switched stack, consider ourselves still 'switched'
$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
return true;
}
$wpdb->set_blog_id( $blog );
$prev_blog_id = $GLOBALS['blog_id'];
$GLOBALS['blog_id'] = $blog;
$GLOBALS['table_prefix'] = $wpdb->get_blog_prefix();
if ( function_exists( 'wp_cache_switch_to_blog' ) ) {
wp_cache_switch_to_blog( $blog );
} else {
global $wp_object_cache;
if ( is_object( $wp_object_cache ) && isset( $wp_object_cache->global_groups ) )
$global_groups = $wp_object_cache->global_groups;
else
$global_groups = false;
wp_cache_init();
if ( function_exists( 'wp_cache_add_global_groups' ) ) {
if ( is_array( $global_groups ) ) {
wp_cache_add_global_groups( $global_groups );
} else {
wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache' ) );
}
wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
}
}
if ( did_action( 'init' ) ) {
wp_roles()->reinit();
$current_user = wp_get_current_user();
$current_user->for_blog( $blog );
}
/** This filter is documented in wp-includes/ms-blogs.php */
do_action( 'switch_blog', $blog, $prev_blog_id );
// If we still have items in the switched stack, consider ourselves still 'switched'
$GLOBALS['switched'] = ! empty( $GLOBALS['_wp_switched_stack'] );
return true;
}| 更新版本 | 源码位置 | 使用 | 被使用 |
|---|---|---|---|
| MU (3.0.0) | wp-includes/ms-blogs.php:571 | 34 | 9 |