: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Integrations\Watchers;
use Yoast\WP\SEO\Conditionals\Migrations_Conditional;
use Yoast\WP\SEO\Integrations\Integration_Interface;
use Yoast\WP\SEO\WordPress\Wrapper;
* Watcher for the titles option.
* Represents the option titles watcher.
class Option_Titles_Watcher implements Integration_Interface {
* Initializes the integration.
* This is the place to register hooks and filters.
public function register_hooks() {
\add_action( 'update_option_wpseo_titles', [ $this, 'check_option' ], 10, 2 );
* Returns the conditionals based on which this loadable should be active.
* @return array<Migrations_Conditional>
public static function get_conditionals() {
return [ Migrations_Conditional::class ];
* Checks if one of the relevant options has been changed.
* @param array<string,int,bool> $old_value The old value of the option.
* @param array<string,int,bool> $new_value The new value of the option.
* @return bool Whether or not the ancestors are removed.
public function check_option( $old_value, $new_value ) {
// If this is the first time saving the option, thus when value is false.
if ( $old_value === false ) {
if ( ! \is_array( $old_value ) || ! \is_array( $new_value ) ) {
$relevant_keys = $this->get_relevant_keys();
if ( empty( $relevant_keys ) ) {
foreach ( $relevant_keys as $post_type => $relevant_option ) {
// If both values aren't set they haven't changed.
if ( ! isset( $old_value[ $relevant_option ] ) && ! isset( $new_value[ $relevant_option ] ) ) {
if ( $old_value[ $relevant_option ] !== $new_value[ $relevant_option ] ) {
$post_types[] = $post_type;
return $this->delete_ancestors( $post_types );
* Retrieves the relevant keys.
* @return array<string> Array with the relevant keys.
protected function get_relevant_keys() {
$post_types = \get_post_types( [ 'public' => true ], 'names' );
if ( ! \is_array( $post_types ) || $post_types === [] ) {
foreach ( $post_types as $post_type ) {
$relevant_keys[ $post_type ] = 'post_types-' . $post_type . '-maintax';
* Removes the ancestors for given post types.
* @param array<string> $post_types The post types to remove hierarchy for.
* @return bool True when delete query was successful.
protected function delete_ancestors( $post_types ) {
if ( empty( $post_types ) ) {
$wpdb = Wrapper::get_wpdb();
$hierarchy_table = Model::get_table_name( 'Indexable_Hierarchy' );
$indexable_table = Model::get_table_name( 'Indexable' );
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Delete query.
WHERE object_type = 'post'
AND object_sub_type IN( " . \implode( ', ', \array_fill( 0, \count( $post_types ), '%s' ) ) . ' )
return $result !== false;