wp-includes/sitemaps/class-wp-sitemaps-renderer.php:96Gets the URL for the sitemap index stylesheet.
stringOne hook fires while WP_Sitemaps_Renderer::get_sitemap_index_stylesheet_url() runs, in this order:
Filters the URL for the sitemap index stylesheet.
public function get_sitemap_index_stylesheet_url() { global $wp_rewrite; $sitemap_url = home_url( '/wp-sitemap-index.xsl' ); if ( ! $wp_rewrite->using_permalinks() ) { $sitemap_url = home_url( '/?sitemap-stylesheet=index' ); } /** * Filters the URL for the sitemap index stylesheet. * * If a falsey value is returned, no stylesheet will be used and * the "raw" XML of the sitemap index will be displayed. * * @since 5.5.0 * * @param string $sitemap_url Full URL for the sitemaps index XSL file. */ return apply_filters( 'wp_sitemaps_stylesheet_index_url', $sitemap_url ); }Introduced in 5.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sitemaps/class-wp-sitemaps-renderer.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.