Edit: indexable-hierarchy.php

<?php namespace Yoast\WP\SEO\Models; use Yoast\WP\Lib\Model; /** * Indexable Hierarchy model definition. * * @property int $indexable_id The ID of the indexable. * @property int $ancestor_id The ID of the indexable's ancestor. * @property int $depth The depth of the ancestry. 1 being a parent, 2 being a grandparent etc. * @property int $blog_id Blog ID. */ class Indexable_Hierarchy extends Model { /** * Which columns contain int values. * * @var array */ protected $int_columns = [ 'indexable_id', 'ancestor_id', 'depth', 'blog_id', ]; }

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