Edit file File name : sitemap-buffer-news-fallback.php Content :<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName // phpcs:disable Generic.Classes.DuplicateClassName.Found -- sitemap-builder.php will require correct class file. /** * Sitemaps (per the protocol) are essentially lists of XML fragments; * lists which are subject to size constraints. The Jetpack_Sitemap_Buffer_News * extends the Jetpack_Sitemap_Buffer class to represent the single news sitemap * buffer. * * @since 5.3.0 * @package automattic/jetpack */ /** * A buffer for constructing sitemap news xml files for users without libxml support. * * @since 5.3.0 * @phan-suppress PhanRedefinedClassReference -- Don't conflict with real version. */ class Jetpack_Sitemap_Buffer_News extends Jetpack_Sitemap_Buffer_Fallback { // @phan-suppress-previous-line UnusedSuppression -- It's used. /** * Returns a DOM element that contains all news sitemap elements. */ protected function get_root_element() { if ( ! isset( $this->root ) ) { /** * Filter the attribute value pairs used for namespace and namespace URI mappings. * * @module sitemaps * * @since 4.8.0 * * @param array $namespaces Associative array with namespaces and namespace URIs. */ $namespaces = apply_filters( 'jetpack_sitemap_news_ns', array( 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation' => 'http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd', 'xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9', 'xmlns:news' => 'http://www.google.com/schemas/sitemap-news/0.9', ) ); $jetpack_version = JETPACK__VERSION; $news_sitemap_xsl_url = $this->finder->construct_sitemap_url( 'news-sitemap.xsl' ); $this->root = array( "<!-- generator='jetpack-{$jetpack_version}' -->" . PHP_EOL . "<?xml-stylesheet type='text/xsl' href='{$news_sitemap_xsl_url}'?>" . PHP_EOL . '<urlset ' . $this->array_to_xml_attr_string( $namespaces ) . '>', '</urlset>', ); $this->byte_capacity -= strlen( implode( '', $this->root ) ); } return $this->root; } } Save