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namespace Yoast\WP\SEO\Services\Health_Check;
use Yoast\WP\SEO\Config\Migration_Status;
use Yoast\WP\SEO\Helpers\Options_Helper;
* Runs the Links_Table health check.
class Links_Table_Runner implements Runner_Interface {
* Is set to true when the links table is accessible.
private $links_table_accessible = false;
* The Migration_Status object used to determine whether the links table is accessible.
private $migration_status;
* The Options_Helper object used to determine whether the health check should run or not.
* @param Migration_Status $migration_status Object used to determine whether the links table is accessible.
* @param Options_Helper $options_helper Object used to determine whether the health check should run.
public function __construct(
Migration_Status $migration_status,
Options_Helper $options_helper
$this->migration_status = $migration_status;
$this->options_helper = $options_helper;
* Runs the health check. Checks if the tagline is set to WordPress' default tagline, or to its set translation.
if ( ! $this->should_run() ) {
$this->links_table_accessible = $this->migration_status->is_version( 'free', \WPSEO_VERSION );
* Determines whether the health check should run or not.
* @return bool True if the text link counter feature is enabled.
public function should_run() {
$text_link_counter_enabled = $this->options_helper->get( 'enable_text_link_counter' );
if ( ! \is_bool( $text_link_counter_enabled ) ) {
return $text_link_counter_enabled;
* Returns true if the links table is accessible
* @return bool The boolean indicating if the health check was succesful.
public function is_successful() {
return $this->links_table_accessible;