remove_user_from_blog
函数
remove_user_from_blog ( $user_id, $blog_id = 0, $reassign = 0 )
- 参数
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(int)
$user_id
ID of the user being removed.- Required: 是
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(int)
$blog_id
Optional. ID of the blog the user is being removed from. Default 0.- Required: 否
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(int)
$reassign
Optional. ID of the user to whom to reassign posts. Default 0.- Required: 否
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(int)
- 返回值
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- (true|WP_Error) True on success or a WP_Error object if the user doesn’t exist.
- 定义位置
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-
wp-includes/ms-functions.php
, line 230
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wp-includes/ms-functions.php
- 引入
- –
- 弃用
- –
Removes a user from a blog.
Use the {@see ‘remove_user_from_blog’} action to fire an event when
users are removed from a blog.
Accepts an optional `$reassign` parameter, if you want to
reassign the user’s blog posts to another user upon removal.
function remove_user_from_blog( $user_id, $blog_id = 0, $reassign = 0 ) { global $wpdb; switch_to_blog( $blog_id ); $user_id = (int) $user_id; /** * Fires before a user is removed from a site. * * @since MU (3.0.0) * @since 5.4.0 Added the `$reassign` parameter. * * @param int $user_id ID of the user being removed. * @param int $blog_id ID of the blog the user is being removed from. * @param int $reassign ID of the user to whom to reassign posts. */ do_action( 'remove_user_from_blog', $user_id, $blog_id, $reassign ); // If being removed from the primary blog, set a new primary // if the user is assigned to multiple blogs. $primary_blog = get_user_meta( $user_id, 'primary_blog', true ); if ( $primary_blog == $blog_id ) { $new_id = ''; $new_domain = ''; $blogs = get_blogs_of_user( $user_id ); foreach ( (array) $blogs as $blog ) { if ( $blog->userblog_id == $blog_id ) { continue; } $new_id = $blog->userblog_id; $new_domain = $blog->domain; break; } update_user_meta( $user_id, 'primary_blog', $new_id ); update_user_meta( $user_id, 'source_domain', $new_domain ); } $user = get_userdata( $user_id ); if ( ! $user ) { restore_current_blog(); return new WP_Error( 'user_does_not_exist', __( 'That user does not exist.' ) ); } $user->remove_all_caps(); $blogs = get_blogs_of_user( $user_id ); if ( count( $blogs ) == 0 ) { update_user_meta( $user_id, 'primary_blog', '' ); update_user_meta( $user_id, 'source_domain', '' ); } if ( $reassign ) { $reassign = (int) $reassign; $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $user_id ) ); $link_ids = $wpdb->get_col( $wpdb->prepare( "SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $user_id ) ); if ( ! empty( $post_ids ) ) { $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_author = %d WHERE post_author = %d", $reassign, $user_id ) ); array_walk( $post_ids, 'clean_post_cache' ); } if ( ! empty( $link_ids ) ) { $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->links SET link_owner = %d WHERE link_owner = %d", $reassign, $user_id ) ); array_walk( $link_ids, 'clean_bookmark_cache' ); } } restore_current_blog(); return true; }
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