wp_uninitialize_site( int|WP_Site $site_id ): true|WP_Error

Source

function wp_uninitialize_site( $site_id ) {	global $wpdb;	if ( empty( $site_id ) ) {	return new WP_Error( 'site_empty_id', __( 'Site ID must not be empty.' ) );	}	$site = get_site( $site_id );	if ( ! $site ) {	return new WP_Error( 'site_invalid_id', __( 'Site with the ID does not exist.' ) );	}	if ( ! wp_is_site_initialized( $site ) ) {	return new WP_Error( 'site_already_uninitialized', __( 'The site appears to be already uninitialized.' ) );	}	$users = get_users(	array(	'blog_id' => $site->id,	'fields' => 'ids',	)	);	// Remove users from the site.	if ( ! empty( $users ) ) {	foreach ( $users as $user_id ) {	remove_user_from_blog( $user_id, $site->id );	}	}	$switch = false;	if ( get_current_blog_id() !== $site->id ) {	$switch = true;	switch_to_blog( $site->id );	}	$uploads = wp_get_upload_dir();	$tables = $wpdb->tables( 'blog' );	/** * Filters the tables to drop when the site is deleted. * * @since MU (3.0.0) * * @param string[] $tables Array of names of the site tables to be dropped. * @param int $site_id The ID of the site to drop tables for. */	$drop_tables = apply_filters( 'wpmu_drop_tables', $tables, $site->id );	foreach ( (array) $drop_tables as $table ) {	$wpdb->query( "DROP TABLE IF EXISTS `$table`" ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared	}	/** * Filters the upload base directory to delete when the site is deleted. * * @since MU (3.0.0) * * @param string $basedir Uploads path without subdirectory. See wp_upload_dir(). * @param int $site_id The site ID. */	$dir = apply_filters( 'wpmu_delete_blog_upload_dir', $uploads['basedir'], $site->id );	$dir = rtrim( $dir, DIRECTORY_SEPARATOR );	$top_dir = $dir;	$stack = array( $dir );	$index = 0;	while ( $index < count( $stack ) ) {	// Get indexed directory from stack.	$dir = $stack[ $index ];	// phpcs:disable WordPress.PHP.NoSilencedErrors.Discouraged	$dh = @opendir( $dir );	if ( $dh ) {	$file = @readdir( $dh );	while ( false !== $file ) {	if ( '.' === $file || '..' === $file ) {	$file = @readdir( $dh );	continue;	}	if ( @is_dir( $dir . DIRECTORY_SEPARATOR . $file ) ) {	$stack[] = $dir . DIRECTORY_SEPARATOR . $file;	} elseif ( @is_file( $dir . DIRECTORY_SEPARATOR . $file ) ) {	@unlink( $dir . DIRECTORY_SEPARATOR . $file );	}	$file = @readdir( $dh );	}	@closedir( $dh );	}	++$index;	}	$stack = array_reverse( $stack ); // Last added directories are deepest.	foreach ( (array) $stack as $dir ) {	if ( $dir !== $top_dir ) {	@rmdir( $dir );	}	}	// phpcs:enable WordPress.PHP.NoSilencedErrors.Discouraged	if ( $switch ) {	restore_current_blog();	}	return true; } 

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