WordPress at a glance
filter is not described

wp_sitemaps_stylesheet_index_content filter-hook . WP 5.5.0

Filters the content of the sitemap index stylesheet.

Usage

add_filter( 'wp_sitemaps_stylesheet_index_content', 'filter_function_name_330' );
function filter_function_name_330( $xsl_content ){
	// filter...

	return $xsl_content;
}
$xsl_content(string)
Full content for the XML stylesheet.

Changelog

Since 5.5.0 Introduced.

Where the hook is called

WP_Sitemaps_Stylesheet::get_sitemap_index_stylesheet()
wp_sitemaps_stylesheet_index_content
wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php 248
return apply_filters( 'wp_sitemaps_stylesheet_index_content', $xsl_content );

Where in WP core the hook is used WordPress

Usage not found.