MysqlRequirements.php

<?php

declare (strict_types=1);
namespace Drupal\mysql\Hook;

use Drupal\Core\Database\Database;
use Drupal\Core\Hook\Attribute\Hook;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\mysql\RequirementsTrait;

/**
 * Requirements for the MySQL module.
 */
class MysqlRequirements {
  use RequirementsTrait;
  use StringTranslationTrait;
  
  /**
   * Implements hook_runtime_requirements().
   */
  public function runtime() : array {
    if (!Database::isActiveConnection()) {
      return [];
    }
    $connection = Database::getConnection();
    // Only show requirements when MySQL is the default database connection.
    if (!($connection->driver() === 'mysql' && $connection->getProvider() === 'mysql')) {
      return [];
    }
    return $this->getRuntimeRequirements($connection);
  }

}