View file File name : sitemap-buffer-image-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_Image * extends the Jetpack_Sitemap_Buffer class to represent the single image sitemap * buffer. * * @since 5.3.0 * @package automattic/jetpack */ /** * A buffer for constructing sitemap image xml files for users that have no libxml support. * * @since 5.3.0 * @phan-suppress PhanRedefinedClassReference -- Don't conflict with real version. */ class Jetpack_Sitemap_Buffer_Image extends Jetpack_Sitemap_Buffer_Fallback { // @phan-suppress-previous-line UnusedSuppression -- It's used. /** * Returns a DOM element that contains all image sitemap elements. */ protected function get_root_element() { if ( ! isset( $this->root ) ) { /** * Filter the XML namespaces included in image sitemaps. * * @module sitemaps * * @since 4.8.0 * * @param array $namespaces Associative array with namespaces and namespace URIs. */ $namespaces = apply_filters( 'jetpack_sitemap_image_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:image' => 'http://www.google.com/schemas/sitemap-image/1.1', ) ); $sitemap_xsl_url = $this->finder->construct_sitemap_url( 'sitemap.xsl' ); $jetpack_version = JETPACK__VERSION; $this->root = array( "<!-- generator='jetpack-{$jetpack_version}' -->" . PHP_EOL . "<?xml-stylesheet type='text/xsl' href='{$sitemap_xsl_url}'?>" . PHP_EOL . '<urlset ' . $this->array_to_xml_attr_string( $namespaces ) . '>' . PHP_EOL, '</urlset>', ); $this->byte_capacity -= strlen( implode( '', $this->root ) ); } return $this->root; } }