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<?php
namespace Yoast\WP\SEO\Initializers;
use Yoast\WP\SEO\Conditionals\No_Conditionals;
use Yoast\WP\SEO\Helpers\Options_Helper;
use Yoast\WP\SEO\Helpers\Redirect_Helper;
/**
* Disables the WP core sitemaps.
*/
class Disable_Core_Sitemaps implements Initializer_Interface {
use No_Conditionals;
/**
* The options helper.
*
* @var Options_Helper
*/
private $options;
/**
* The redirect helper.
*
* @var Redirect_Helper
*/
private $redirect;
/**
* Sitemaps_Enabled_Conditional constructor.
*
* @codeCoverageIgnore
*
* @param Options_Helper $options The options helper.
* @param Redirect_Helper $redirect The redirect helper.
*/
public function __construct( Options_Helper $options, Redirect_Helper $redirect ) {
$this->options = $options;
$this->redirect = $redirect;
}
/**
* Disable the WP core XML sitemaps.
*
* @return void
*/
public function initialize() {
// This needs to be on priority 15 as that is after our options initialize.
\add_action( 'plugins_loaded', [ $this, 'maybe_disable_core_sitemaps' ], 15 );
}
/**
* Disables the core sitemaps if Yoast SEO sitemaps are enabled.
*
* @return void
*/
public function maybe_disable_core_sitemaps() {
if ( $this->options->get( 'enable_xml_sitemap' ) ) {
\add_filter( 'wp_sitemaps_enabled', '__return_false' );
\add_action( 'template_redirect', [ $this, 'template_redirect' ], 0 );
}
}
/**
* Redirects requests to the WordPress sitemap to the Yoast sitemap.
*
* @return void
*/
public function template_redirect() {
// If there is no path, nothing to do.
if ( empty( $_SERVER['REQUEST_URI'] ) ) {
return;
}
$path = \sanitize_text_field( \wp_unslash( $_SERVER['REQUEST_URI'] ) );
// If it's not a wp-sitemap request, nothing to do.
if ( \substr( $path, 0, 11 ) !== '/wp-sitemap' ) {
return;
}
$redirect = $this->get_redirect_url( $path );
if ( ! $redirect ) {
return;
}
$this->redirect->do_safe_redirect( \home_url( $redirect ), 301 );
}
/**
* Returns the relative sitemap URL to redirect to.
*
* @param string $path The original path.
*
* @return string|false The path to redirct to. False if no redirect should be done.
*/
private function get_redirect_url( $path ) {
// Start with the simple string comparison so we avoid doing unnecessary regexes.
if ( $path === '/wp-sitemap.xml' ) {
return '/sitemap_index.xml';
}
if ( \preg_match( '/^\/wp-sitemap-(posts|taxonomies)-(\w+)-(\d+)\.xml$/', $path, $matches ) ) {
$index = ( (int) $matches[3] - 1 );
$index = ( $index === 0 ) ? '' : (string) $index;
return '/' . $matches[2] . '-sitemap' . $index . '.xml';
}
if ( \preg_match( '/^\/wp-sitemap-users-(\d+)\.xml$/', $path, $matches ) ) {
$index = ( (int) $matches[1] - 1 );
$index = ( $index === 0 ) ? '' : (string) $index;
return '/author-sitemap' . $index . '.xml';
}
return false;
}
}