WordPress/wp-includes/sitemaps.php

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<?php
/**
* Sitemaps: Public functions
*
* This file contains a variety of public functions developers can use to interact with
* the XML Sitemaps API.
*
* @package WordPress
* @subpackage Sitemaps
* @since 5.5.0
*/
/**
* Retrieves the current Sitemaps server instance.
*
* @since 5.5.0
*
* @global WP_Sitemaps $wp_sitemaps Global Core Sitemaps instance.
*
* @return WP_Sitemaps|null Sitemaps instance, or null if sitemaps are disabled.
*/
function wp_sitemaps_get_server() {
global $wp_sitemaps;
$is_enabled = (bool) get_option( 'blog_public' );
/**
* Filters whether XML Sitemaps are enabled or not.
*
* @since 5.5.0
*
* @param bool $is_enabled Whether XML Sitemaps are enabled or not. Defaults to true for public sites.
*/
$is_enabled = (bool) apply_filters( 'wp_sitemaps_enabled', $is_enabled );
if ( ! $is_enabled ) {
return null;
}
// If there isn't a global instance, set and bootstrap the sitemaps system.
if ( empty( $wp_sitemaps ) ) {
$wp_sitemaps = new WP_Sitemaps();
$wp_sitemaps->init();
/**
* Fires when initializing the Sitemaps object.
*
* Additional sitemaps should be registered on this hook.
*
* @since 5.5.0
*
* @param WP_Sitemaps $wp_sitemaps Sitemaps object.
*/
do_action( 'wp_sitemaps_init', $wp_sitemaps );
}
return $wp_sitemaps;
}
/**
* Gets an array of sitemap providers.
*
* @since 5.5.0
*
* @return WP_Sitemaps_Provider[] Array of sitemap providers.
*/
function wp_get_sitemaps() {
$sitemaps = wp_sitemaps_get_server();
if ( ! $sitemaps ) {
return array();
}
return $sitemaps->registry->get_sitemaps();
}
/**
* Registers a new sitemap provider.
*
* @since 5.5.0
*
* @param string $name Unique name for the sitemap provider.
* @param WP_Sitemaps_Provider $provider The `Sitemaps_Provider` instance implementing the sitemap.
* @return bool Returns true if the sitemap was added. False on failure.
*/
function wp_register_sitemap( $name, WP_Sitemaps_Provider $provider ) {
$sitemaps = wp_sitemaps_get_server();
if ( ! $sitemaps ) {
return false;
}
return $sitemaps->registry->add_sitemap( $name, $provider );
}
/**
* Gets the maximum number of URLs for a sitemap.
*
* @since 5.5.0
*
* @param string $object_type Object type for sitemap to be filtered (e.g. 'post', 'term', 'user').
* @return int The maximum number of URLs.
*/
function wp_sitemaps_get_max_urls( $object_type ) {
/**
* Filters the maximum number of URLs displayed on a sitemap.
*
* @since 5.5.0
*
* @param int $max_urls The maximum number of URLs included in a sitemap. Default 2000.
* @param string $object_type Object type for sitemap to be filtered (e.g. 'post', 'term', 'user').
*/
return apply_filters( 'wp_sitemaps_max_urls', 2000, $object_type );
}