<?php
namespace Yoast\WP\SEO\Integrations\Watchers;
use WPSEO_Utils;
use Yoast\WP\SEO\Config\Indexing_Reasons;
/**
* Watches the stripcategorybase key in wpseo_titles, in order to clear the permalink of the category indexables.
*/
class Indexable_Category_Permalink_Watcher extends Indexable_Permalink_Watcher {
/**
* Initializes the integration.
*
* This is the place to register hooks and filters.
*
* @return void
*/
public function register_hooks() {
\add_action( 'update_option_wpseo_titles', [ $this, 'check_option' ], 10, 2 );
}
/**
* Checks if the stripcategorybase key in wpseo_titles has a change in value, and if so,
* clears the permalink for category indexables.
*
* @param array $old_value The old value of the wpseo_titles option.
* @param array $new_value The new value of the wpseo_titles option.
*
* @return void
*/
public function check_option( $old_value, $new_value ) {
// If this is the first time saving the option, in which case its value would be false.
if ( $old_value === false ) {
$old_value = [];
}
// If either value is not an array, return.
if ( ! \is_array( $old_value ) || ! \is_array( $new_value ) ) {
return;
}
// If both values aren't set, they haven't changed.
if ( ! isset( $old_value['stripcategorybase'] ) && ! isset( $new_value['stripcategorybase'] ) ) {
return;
}
// If a new value has been set for 'stripcategorybase', clear the category permalinks.
if ( $old_value['stripcategorybase'] !== $new_value['stripcategorybase'] ) {
$this->indexable_helper->reset_permalink_indexables( 'term', 'category', Indexing_Reasons::REASON_CATEGORY_BASE_PREFIX );
// Clear the rewrites, so the new permalink structure is used.
WPSEO_Utils::clear_rewrites();
}
}
}