<?phpdeclare(strict_types=1);namespace DoctrineMigrations;use Doctrine\DBAL\Schema\Schema;use Doctrine\Migrations\AbstractMigration;final class Version20220620223024 extends AbstractMigration{ public function up(Schema $schema): void { $this->addSql('ALTER TABLE invoice ADD sent_date DATETIME DEFAULT NULL'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE invoice DROP sent_date'); }}