Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
registry = $registry;
}
/**
* Gets a sitemap list for the index.
*
* @since 5.5.0
*
* @return array[] Array of all sitemaps.
*/
public function get_sitemap_list() {
$sitemaps = array();
$providers = $this->registry->get_providers();
/* @var WP_Sitemaps_Provider $provider */
foreach ( $providers as $name => $provider ) {
$sitemap_entries = $provider->get_sitemap_entries();
// Prevent issues with array_push and empty arrays on PHP < 7.3.
if ( ! $sitemap_entries ) {
continue;
}
// Using array_push is more efficient than array