database_migration = $database_migration; } /** * Initializes the integration. * * This is the place to register hooks and filters. * * @return void */ public function register_hooks() { add_action( 'wpseo_run_upgrade', array( $this, 'do_upgrade' ) ); } /** * Handles upgrade trigger. * * @param string $version Version that we are upgrading from. * * @return void */ public function do_upgrade( $version ) { $this->database_migration->run_migrations(); } }