wp_delete_user( int $id, int $reassign = null )
删除用户并有选择地将帖子和链接重新分配给另一个用户。
Remove user and optionally reassign posts and links to another user.
说明(Description)
如果$reassign参数没有分配给用户ID,那么该用户的所有帖子都将被删除。在重新分配或删除帖子后,将运行传递给正在删除的用户ID的“delete_user”操作。对于该用户ID的用户meta也将被删除。
参数(Parameters)
参数 | 类型 | 说明 |
---|---|---|
$id | (int) | 用户ID。 |
$reassign | (int) | 将帖子和链接重新分配到新的用户ID。 |
源码(Source)
/**
* Remove user and optionally reassign posts and links to another user.
*
* If the $reassign parameter is not assigned to a User ID, then all posts will
* be deleted of that user. The action 'delete_user' that is passed the User ID
* being deleted will be run after the posts are either reassigned or deleted.
* The user meta will also be deleted that are for that User ID.
*
* @since 2.0.0
*
* @global wpdb $wpdb
*
* @param int $id User ID.
* @param int $reassign Optional. Reassign posts and links to new User ID.
* @return bool True when finished.
*/
function wp_delete_user( $id, $reassign = null ) {
global $wpdb;
$id = (int) $id;
$user = new WP_User( $id );
if ( !$user->exists() )
return false;
// Normalize $reassign to null or a user ID. 'novalue' was an older default.
if ( 'novalue' === $reassign ) {
$reassign = null;
} elseif ( null !== $reassign ) {
$reassign = (int) $reassign;
}
/**
* Fires immediately before a user is deleted from the database.
*
* @since 2.0.0
*
* @param int $id ID of the user to delete.
* @param int|null $reassign ID of the user to reassign posts and links to.
* Default null, for no reassignment.
*/
do_action( 'delete_user', $id, $reassign );
if ( null === $reassign ) {
$post_types_to_delete = array();
foreach ( get_post_types( array(), 'objects' ) as $post_type ) {
if ( $post_type->delete_with_user ) {
$post_types_to_delete[] = $post_type->name;
} elseif ( null === $post_type->delete_with_user && post_type_supports( $post_type->name, 'author' ) ) {
$post_types_to_delete[] = $post_type->name;
}
}
/**
* Filter the list of post types to delete with a user.
*
* @since 3.4.0
*
* @param array $post_types_to_delete Post types to delete.
* @param int $id User ID.
*/
$post_types_to_delete = apply_filters( 'post_types_to_delete_with_user', $post_types_to_delete, $id );
$post_types_to_delete = implode( "', '", $post_types_to_delete );
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d AND post_type IN ('$post_types_to_delete')", $id ) );
if ( $post_ids ) {
foreach ( $post_ids as $post_id )
wp_delete_post( $post_id );
}
// Clean links
$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
if ( $link_ids ) {
foreach ( $link_ids as $link_id )
wp_delete_link($link_id);
}
} else {
$post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_author = %d", $id ) );
$wpdb->update( $wpdb->posts, array('post_author' => $reassign), array('post_author' => $id) );
if ( ! empty( $post_ids ) ) {
foreach ( $post_ids as $post_id )
clean_post_cache( $post_id );
}
$link_ids = $wpdb->get_col( $wpdb->prepare("SELECT link_id FROM $wpdb->links WHERE link_owner = %d", $id) );
$wpdb->update( $wpdb->links, array('link_owner' => $reassign), array('link_owner' => $id) );
if ( ! empty( $link_ids ) ) {
foreach ( $link_ids as $link_id )
clean_bookmark_cache( $link_id );
}
}
// FINALLY, delete user
if ( is_multisite() ) {
remove_user_from_blog( $id, get_current_blog_id() );
} else {
$meta = $wpdb->get_col( $wpdb->prepare( "SELECT umeta_id FROM $wpdb->usermeta WHERE user_id = %d", $id ) );
foreach ( $meta as $mid )
delete_metadata_by_mid( 'user', $mid );
$wpdb->delete( $wpdb->users, array( 'ID' => $id ) );
}
clean_user_cache( $user );
/**
* Fires immediately after a user is deleted from the database.
*
* @since 2.9.0
*
* @param int $id ID of the deleted user.
* @param int|null $reassign ID of the user to reassign posts and links to.
* Default null, for no reassignment.
*/
do_action( 'deleted_user', $id, $reassign );
return true;
}
更新版本 | 源码位置 | 使用 | 被使用 |
---|---|---|---|
2.0.0 | wp-admin/includes/user.php | 20 | 6 |