| 1 |
<?php |
| 2 |
|
| 3 |
namespace Yoast\WP\SEO\Models; |
| 4 |
|
| 5 |
use Yoast\WP\Lib\Model; |
| 6 |
|
| 7 |
/** |
| 8 |
* Abstract class for indexable extensions. |
| 9 |
*/ |
| 10 |
abstract class Indexable_Extension extends Model { |
| 11 |
|
| 12 |
/** |
| 13 |
* Holds the Indexable instance. |
| 14 |
* |
| 15 |
* @var Indexable|null |
| 16 |
*/ |
| 17 |
protected $indexable = null; |
| 18 |
|
| 19 |
/** |
| 20 |
* Returns the indexable this extension belongs to. |
| 21 |
* |
| 22 |
* @return Indexable The indexable. |
| 23 |
*/ |
| 24 |
public function indexable() { |
| 25 |
$this->indexable ??= $this->belongs_to( 'Indexable', 'indexable_id', 'id' )->find_one(); |
| 26 |
|
| 27 |
return $this->indexable; |
| 28 |
} |
| 29 |
} |
| 30 |
|
