: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace Yoast\WP\SEO\Actions\Indexing;
* Interface definition of reindexing action for indexables.
interface Indexation_Action_Interface {
* Returns the total number of unindexed objects.
* @return int The total number of unindexed objects.
public function get_total_unindexed();
* Indexes a number of objects.
* NOTE: ALWAYS use limits, this method is intended to be called multiple times over several requests.
* For indexing that requires JavaScript simply return the objects that should be indexed.
* @return array The reindexed objects.
* Returns the number of objects that will be indexed in a single indexing pass.
public function get_limit();