.-.-.-.-.-

<?php
/**
 * @link https://craftcms.com/
 * @copyright Copyright (c) Pixel & Tonic, Inc.
 * @license https://craftcms.github.io/license/
 */

namespace craft\migrations;

/**
 * This view is used by app/console/controllers/MigrateController.php.
 *
 * The following variables are available in this view:
 */
/** @var $namespace         string The namespace of the generated migration. */
/** @var $className         string The new migration class name. */
/** @var $migrationNameDesc string The format of the migration class name. */

echo "<?php\n";
?>

namespace <?= $namespace ?>;

use Craft;
use craft\db\Migration;

/**
 * <?= $className ?> migration.
 */
class <?= $className ?> extends Migration
{
    /**
     * @inheritdoc
     */
    public function safeUp(): bool
    {
<?php if ($isInstall) { ?>
        // Place installation code here...
<?php } else { ?>
        // Place migration code here...
<?php } ?>

return true;
    }

/**
     * @inheritdoc
     */
    public function safeDown(): bool
    {
<?php if ($isInstall) { ?>
        // Place uninstallation code here...

return true;
<?php } else { ?>
        echo "<?= $className ?> cannot be reverted.\n";
        return false;
<?php } ?>
    }
}

/srv/users/craft4/apps/craft4-newsite-space/vendor/craftcms/cms/src/updates/migration.php.template