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73 lines
1.6 KiB
PHP
73 lines
1.6 KiB
PHP
<?php
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/**
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* The sitemap index runner class.
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*
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* @since 1.0.42
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* @package RankMath
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* @subpackage RankMath\Sitemap
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* @author Rank Math <support@rankmath.com>
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*/
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namespace RankMath\Sitemap;
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use RankMath\Runner;
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use RankMath\Traits\Hooker;
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use RankMath\Helpers\Str;
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defined( 'ABSPATH' ) || exit;
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/**
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* Sitemap Index class.
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*/
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class Sitemap_Index implements Runner {
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use Hooker;
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/**
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* The hooks.
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*/
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public function hooks() {
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$this->filter( 'robots_txt', 'add_sitemap_directive', 0, 2 );
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$this->filter( 'redirect_canonical', 'redirect_canonical' );
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}
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/**
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* Adds the sitemap index to robots.txt.
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*
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* @param string $output robots.txt output.
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* @param bool $public Whether the site is public or not.
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*
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* @return string robots.txt output.
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*/
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public function add_sitemap_directive( $output, $public ) {
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if (
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'0' === $public ||
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Str::contains( 'Sitemap:', $output ) ||
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Str::contains( 'sitemap:', $output )
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) {
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return $output;
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}
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$sitemap_url = esc_url( Router::get_base_url( Sitemap::get_sitemap_index_slug() . '.xml' ) );
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return $output . "\nSitemap: {$sitemap_url}\n";
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}
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/**
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* Stop trailing slashes on `sitemap.xml` URLs.
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*
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* @copyright Copyright (C) 2008-2019, Yoast BV
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* The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
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*
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* @param string $redirect The redirect URL currently determined.
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*
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* @return boolean|string $redirect
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*/
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public function redirect_canonical( $redirect ) {
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if ( get_query_var( 'sitemap' ) || get_query_var( 'xsl' ) ) {
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return false;
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}
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return $redirect;
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}
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}
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