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。
providers[ $name ] ) ) {
return false;
}
/**
* Filters the sitemap provider before it is added.
*
* @since 5.5.0
*
* @param WP_Sitemaps_Provider $provider Instance of a WP_Sitemaps_Provider.
* @param string $name Name of the sitemap provider.
*/
$provider = apply_filters( 'wp_sitemaps_add_provider', $provider, $name );
if ( ! $provider instanceof WP_Sitemaps_Provider ) {
return false;
}
$this->providers[ $name ] = $provider;
return true;
}
/**
* R