wp-includes/sitemaps/class-wp-sitemaps.php:231Redirects a URL to the wp-sitemap.xml
$bypassbool$queryWP_Querybool public function redirect_sitemapxml( $bypass, $query ) { _deprecated_function( __FUNCTION__, '6.7.0' ); // If a plugin has already utilized the pre_handle_404 function, return without action to avoid conflicts. if ( $bypass ) { return $bypass; } // 'pagename' is for most permalink types, name is for when the %postname% is used as a top-level field. if ( 'sitemap-xml' === $query->get( 'pagename' ) || 'sitemap-xml' === $query->get( 'name' ) ) { wp_safe_redirect( $this->index->get_index_url() ); exit(); } return $bypass; }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.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.