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

1268	public function delete_temp_backup( array $temp_backups = array() ) {1269		global $wp_filesystem;1270 1271		$errors = new WP_Error();1272 1273		if ( empty( $temp_backups ) ) {1274			$temp_backups = $this->temp_backups;1275		}1276 1277		foreach ( $temp_backups as $args ) {1278			if ( empty( $args['slug'] ) || empty( $args['dir'] ) ) {1279				return false;1280			}1281 1282			if ( ! $wp_filesystem->wp_content_dir() ) {1283				$errors->add( 'fs_no_content_dir', $this->strings['fs_no_content_dir'] );1284				return $errors;1285			}1286 1287			$temp_backup_dir = $wp_filesystem->wp_content_dir() . "upgrade-temp-backup/{$args['dir']}/{$args['slug']}";1288 1289			if ( ! $wp_filesystem->delete( $temp_backup_dir, true ) ) {1290				$errors->add(1291					'temp_backup_delete_failed',1292					sprintf( $this->strings['temp_backup_delete_failed'], $args['slug'] )1293				);1294				continue;1295			}1296		}1297 1298		return $errors->has_errors() ? $errors : true;1299	}