: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Config\Migrations;
use Yoast\WP\Lib\Migrations\Migration;
* Class WpYoastIndexableHierarchy.
class WpYoastIndexableHierarchy extends Migration {
* The plugin this migration belongs to.
public static $plugin = 'free';
$table_name = $this->get_table_name();
$indexable_table = $this->create_table( $table_name, [ 'id' => false ] );
$indexable_table->column(
$indexable_table->column(
$indexable_table->column(
$indexable_table->finish();
$this->add_index( $table_name, 'indexable_id', [ 'name' => 'indexable_id' ] );
$this->add_index( $table_name, 'ancestor_id', [ 'name' => 'ancestor_id' ] );
$this->add_index( $table_name, 'depth', [ 'name' => 'depth' ] );
$this->drop_table( $this->get_table_name() );
* Retrieves the table name to use.
* @return string The table name to use.
protected function get_table_name() {
return Model::get_table_name( 'Indexable_Hierarchy' );