WP_Upgrader::restore_temp_backup( array[] $temp_backups = array() ): bool|WP_Error

1196	public function restore_temp_backup( array $temp_backups = array() ) {1197		global $wp_filesystem;1198 1199		$errors = new WP_Error();1200 1201		if ( empty( $temp_backups ) ) {1202			$temp_backups = $this->temp_restores;1203		}1204 1205		foreach ( $temp_backups as $args ) {1206			if ( empty( $args['slug'] ) || empty( $args['src'] ) || empty( $args['dir'] ) ) {1207				return false;1208			}1209 1210			if ( ! $wp_filesystem->wp_content_dir() ) {1211				$errors->add( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );1212				return $errors;1213			}1214 1215			$src      = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/' . $args['dir'] . '/' . $args['slug'];1216			$dest_dir = $wp_filesystem->find_folder( $args['src'] );1217			$dest     = trailingslashit( $dest_dir ) . $args['slug'];1218 1219			if ( $wp_filesystem->is_dir( $src ) ) {1220				// Cleanup.1221				if ( $wp_filesystem->is_dir( $dest ) && ! $wp_filesystem->delete( $dest, true ) ) {1222					$errors->add(1223						'fs_temp_backup_delete',1224						sprintf( $this->strings['temp_backup_restore_failed'], $args['slug'] )1225					);1226					continue;1227				}1228 1229				// Move it.1230				$result = move_dir( $src, $dest, true );1231				if ( is_wp_error( $result ) ) {1232					$errors->add(1233						'fs_temp_backup_delete',1234						sprintf( $this->strings['temp_backup_restore_failed'], $args['slug'] )1235					);1236					continue;1237				}1238			}1239		}1240 1241		return $errors->has_errors() ? $errors : true;1242	}