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<?php
namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\SEO\Models\Indexable;
/**
* A helper object for the robots meta tag.
*/
class Robots_Helper {
/**
* Holds the Post_Type_Helper.
*
* @var Post_Type_Helper
*/
protected $post_type_helper;
/**
* Holds the Taxonomy_Helper.
*
* @var Taxonomy_Helper
*/
protected $taxonomy_helper;
/**
* Constructs a Score_Helper.
*
* @param Post_Type_Helper $post_type_helper The Post_Type_Helper.
* @param Taxonomy_Helper $taxonomy_helper The Taxonomy_Helper.
*/
public function __construct( Post_Type_Helper $post_type_helper, Taxonomy_Helper $taxonomy_helper ) {
$this->post_type_helper = $post_type_helper;
$this->taxonomy_helper = $taxonomy_helper;
}
/**
* Retrieves whether the Indexable is indexable.
*
* @param Indexable $indexable The Indexable.
*
* @return bool Whether the Indexable is indexable.
*/
public function is_indexable( Indexable $indexable ) {
if ( $indexable->is_robots_noindex === null ) {
// No individual value set, check the global setting.
switch ( $indexable->object_type ) {
case 'post':
return $this->post_type_helper->is_indexable( $indexable->object_sub_type );
case 'term':
return $this->taxonomy_helper->is_indexable( $indexable->object_sub_type );
}
}
return $indexable->is_robots_noindex === false;
}
/**
* Sets the robots index to noindex.
*
* @param array $robots The current robots value.
*
* @return array The altered robots string.
*/
public function set_robots_no_index( $robots ) {
if ( ! \is_array( $robots ) ) {
\_deprecated_argument( __METHOD__, '14.1', '$robots has to be a key-value paired array.' );
return $robots;
}
$robots['index'] = 'noindex';
return $robots;
}
}