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<?php |
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|
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namespace Yoast\WP\SEO\Models; |
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|
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use Yoast\WP\Lib\Model; |
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|
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/** |
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* Abstract class for indexable extensions. |
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*/ |
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abstract class Indexable_Extension extends Model { |
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|
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/** |
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* Holds the Indexable instance. |
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* |
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* @var Indexable |
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*/ |
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protected $indexable = null; |
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|
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/** |
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* Returns the indexable this extension belongs to. |
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* |
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* @return Indexable The indexable. |
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*/ |
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public function indexable() { |
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if ( $this->indexable === null ) { |
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$this->indexable = $this->belongs_to( 'Indexable', 'indexable_id', 'id' )->find_one(); |
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} |
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|
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return $this->indexable; |
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} |
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} |
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|
