Core_Upgrader::check_files(): bool

403	public function check_files() {404		global $wp_version, $wp_local_package;405 406		$checksums = get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' );407 408		if ( ! is_array( $checksums ) ) {409			return false;410		}411 412		foreach ( $checksums as $file => $checksum ) {413			// Skip files which get updated.414			if ( str_starts_with( $file, 'wp-content' ) ) {415				continue;416			}417			if ( ! file_exists( ABSPATH . $file ) || md5_file( ABSPATH . $file ) !== $checksum ) {418				return false;419			}420		}421 422		return true;423	}