JezK
Edit File: class-wp-sitemaps-stylesheet.php
<?php /** * Sitemaps: WP_Sitemaps_Stylesheet class * * This class provides the XSL stylesheets to style all sitemaps. * * @package WordPress * @subpackage Sitemaps * @since 5.5.0 */ /** * Stylesheet provider class. * * @since 5.5.0 */ #[AllowDynamicProperties] class WP_Sitemaps_Stylesheet { /** * Renders the XSL stylesheet depending on whether it's the sitemap index or not. * * @param string $type Stylesheet type. Either 'sitemap' or 'index'. */ public function render_stylesheet( $type ) { header( 'Content-Type: application/xml; charset=UTF-8' ); if ( 'sitemap' === $type ) { // All content is escaped below. echo $this->get_sitemap_stylesheet(); } if ( 'index' === $type ) { // All content is escaped below. echo $this->get_sitemap_index_stylesheet(); } exit; } /** * Returns the escaped XSL for all sitemaps, except index. * * @since 5.5.0 */ public function get_sitemap_stylesheet() { $css = $this->get_stylesheet_css(); $title = esc_xml( __( 'XML Sitemap' ) ); $description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) ); $learn_more = sprintf( '<a href="%s">%s</a>', esc_url( __( 'https://www.sitemaps.org/' ) ), esc_xml( __( 'Learn more about XML sitemaps.' ) ) ); $text = sprintf( /* translators: %s: Number of URLs. */ esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ), '<xsl:value-of select="count( sitemap:urlset/sitemap:url )" />' ); $lang = get_language_attributes( 'html' ); $url = esc_xml( __( 'URL' ) ); $lastmod = esc_xml( __( 'Last Modified' ) ); $changefreq = esc_xml( __( 'Change Frequency' ) ); $priority = esc_xml( __( 'Priority' ) ); $xsl_content = <<<XSL <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9" exclude-result-prefixes="sitemap" > <xsl:output method="html" encoding="UTF-8" indent="yes" /> <!-- Set variables for whether lastmod, changefreq or priority occur for any url in the sitemap. We do this up front because it can be expensive in a large sitemap. --> <xsl:variable name="has-lastmod" select="count( /sitemap:urlset/sitemap:url/sitemap:lastmod )" /> <xsl:variable name="has-changefreq" select="count( /sitemap:urlset/sitemap:url/sitemap:changefreq )" /> <xsl:variable name="has-priority" select="count( /sitemap:urlset/sitemap:url/sitemap:priority )" /> <xsl:template match="/"> <html {$lang}> <head> <title>{$title}</title> <style> {$css} </style> </head> <body> <div id="sitemap"> <div id="sitemap__header"> <h1>{$title}</h1> <p>{$description}</p> <p>{$learn_more}</p> </div> <div id="sitemap__content"> <p class="text">{$text}</p> <table id="sitemap__table"> <thead> <tr> <th class="loc">{$url}</th> <xsl:if test="\$has-lastmod"> <th class="lastmod">{$lastmod}</th> </xsl:if> <xsl:if test="\$has-changefreq"> <th class="changefreq">{$changefreq}</th> </xsl:if> <xsl:if test="\$has-priority"> <th class="priority">{$priority}</th> </xsl:if> </tr> </thead> <tbody> <xsl:for-each select="sitemap:urlset/sitemap:url"> <tr> <td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td> <xsl:if test="\$has-lastmod"> <td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td> </xsl:if> <xsl:if test="\$has-changefreq"> <td class="changefreq"><xsl:value-of select="sitemap:changefreq" /></td> </xsl:if> <xsl:if test="\$has-priority"> <td class="priority"><xsl:value-of select="sitemap:priority" /></td> </xsl:if> </tr> </xsl:for-each> </tbody> </table> </div> </div> </body> </html> </xsl:template> </xsl:stylesheet> XSL; /** * Filters the content of the sitemap stylesheet. * * @since 5.5.0 * * @param string $xsl_content Full content for the XML stylesheet. */ return apply_filters( 'wp_sitemaps_stylesheet_content', $xsl_content ); } /** * Returns the escaped XSL for the index sitemaps. * * @since 5.5.0 */ public function get_sitemap_index_stylesheet() { $css = $this->get_stylesheet_css(); $title = esc_xml( __( 'XML Sitemap' ) ); $description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) ); $learn_more = sprintf( '<a href="%s">%s</a>', esc_url( __( 'https://www.sitemaps.org/' ) ), esc_xml( __( 'Learn more about XML sitemaps.' ) ) ); $text = sprintf( /* translators: %s: Number of URLs. */ esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ), '<xsl:value-of select="count( sitemap:sitemapindex/sitemap:sitemap )" />' ); $lang = get_language_attributes( 'html' ); $url = esc_xml( __( 'URL' ) ); $lastmod = esc_xml( __( 'Last Modified' ) ); $xsl_content = <<<XSL <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9" exclude-result-prefixes="sitemap" > <xsl:output method="html" encoding="UTF-8" indent="yes" /> <!-- Set variables for whether lastmod occurs for any sitemap in the index. We do this up front because it can be expensive in a large sitemap. --> <xsl:variable name="has-lastmod" select="count( /sitemap:sitemapindex/sitemap:sitemap/sitemap:lastmod )" /> <xsl:template match="/"> <html {$lang}> <head> <title>{$title}</title> <style> {$css} </style> </head> <body> <div id="sitemap"> <div id="sitemap__header"> <h1>{$title}</h1> <p>{$description}</p> <p>{$learn_more}</p> </div> <div id="sitemap__content"> <p class="text">{$text}</p> <table id="sitemap__table"> <thead> <tr> <th class="loc">{$url}</th> <xsl:if test="\$has-lastmod"> <th class="lastmod">{$lastmod}</th> </xsl:if> </tr> </thead> <tbody> <xsl:for-each select="sitemap:sitemapindex/sitemap:sitemap"> <tr> <td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td> <xsl:if test="\$has-lastmod"> <td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td> </xsl:if> </tr> </xsl:for-each> </tbody> </table> </div> </div> </body> </html> </xsl:template> </xsl:stylesheet> XSL; /** * Filters the content of the sitemap index stylesheet. * * @since 5.5.0 * * @param string $xsl_content Full content for the XML stylesheet. */ return apply_filters( 'wp_sitemaps_stylesheet_index_content', $xsl_content ); } /** * Gets the CSS to be included in sitemap XSL stylesheets. * * @since 5.5.0 * * @return string The CSS. */ public function get_stylesheet_css() { $text_align = is_rtl() ? 'right' : 'left'; $css = <<<EOF body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; color: #444; } #sitemap { max-width: 980px; margin: 0 auto; } #sitemap__table { width: 100%; border: solid 1px #ccc; border-collapse: collapse; } #sitemap__table tr td.loc { /* * URLs should always be LTR. * See https://core.trac.wordpress.org/ticket/16834 * and https://core.trac.wordpress.org/ticket/49949 */ direction: ltr; } #sitemap__table tr th { text-align: {$text_align}; } #sitemap__table tr td, #sitemap__table tr th { padding: 10px; } #sitemap__table tr:nth-child(odd) td { background-color: #eee; } a:hover { text-decoration: none; } EOF; /** * Filters the CSS only for the sitemap stylesheet. * * @since 5.5.0 * * @param string $css CSS to be applied to default XSL file. */ return apply_filters( 'wp_sitemaps_stylesheet_css', $css ); } }