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Edit File: sitemap-buffer-master-fallback.php

<?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_Master * extends the Jetpack_Sitemap_Buffer class to represent the master sitemap * buffer. * * @since 5.3.0 * @package automattic/jetpack */ /** * A buffer for constructing master sitemap xml files for users without libxml support. * * @since 5.3.0 */ class Jetpack_Sitemap_Buffer_Master extends Jetpack_Sitemap_Buffer_Fallback { /** * Returns a DOM element that contains all master sitemap elements. */ protected function get_root_element() { if ( ! isset( $this->root ) ) { $sitemap_index_xsl_url = $this->finder->construct_sitemap_url( 'sitemap-index.xsl' ); $jetpack_version = JETPACK__VERSION; $this->root = array( "<!-- generator='jetpack-{$jetpack_version}' -->" . PHP_EOL . "<?xml-stylesheet type='text/xsl' href='{$sitemap_index_xsl_url}'?>" . PHP_EOL . "<sitemapindex xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>" . PHP_EOL, '</sitemapindex>', ); $this->byte_capacity -= strlen( implode( '', $this->root ) ); } return $this->root; } }