Summery Summery
Remove user and optionally reassign posts and links to another user.
Syntax Syntax
Description Description
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.
Parameters Parameters
- $id
-
(Required) User ID.
- $reassign
-
(Optional) Reassign posts and links to new User ID.
Default value: null
Return Return
(bool) True when finished.
Source Source
File: wp-admin/includes/user.php
function wp_delete_user( $id, $reassign = null ) { global $wpdb; if ( ! is_numeric( $id ) ) { return false; } $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) $reassign; } /** * Fires immediately before a user is deleted from the database. * * @since 2.0.0 * @since 5.5.0 Added the `$user` parameter. * * @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. * @param WP_User $user WP_User object of the user to delete. */ do_action( 'delete_user', $id, $reassign, $user ); 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; } } /** * Filters the list of post types to delete with a user. * * @since 3.4.0 * * @param string[] $post_types_to_delete Array of 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( $user ); /** * Fires immediately after a user is deleted from the database. * * @since 2.9.0 * @since 5.5.0 Added the `$user` parameter. * * @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. * @param WP_User $user WP_User object of the deleted user. */ do_action( 'deleted_user', $id, $reassign, $user ); return true; }
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Changelog Changelog
Version | Description |
---|---|
2.0.0 | Introduced. |