protected function Tasks::checkEngineVersion in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Database/Install/Tasks.php \Drupal\Core\Database\Install\Tasks::checkEngineVersion()
2. 8 core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php \Drupal\Core\Database\Driver\mysql\Install\Tasks::checkEngineVersion()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php \Drupal\Core\Database\Driver\mysql\Install\Tasks::checkEngineVersion()

Check the engine version.

Overrides Tasks::checkEngineVersion

File

core/lib/Drupal/Core/Database/Driver/mysql/Install/Tasks.php, line 167

Class

Tasks

Specifies installation tasks for MySQL and equivalent databases.

Namespace

Drupal\Core\Database\Driver\mysql\Install

Code

protected function checkEngineVersion() {
  parent::checkEngineVersion();

  // Ensure that the MySQL driver supports utf8mb4 encoding.
  $version = Database::getConnection()
    ->clientVersion();
  if (FALSE !== strpos($version, 'mysqlnd')) {

    // The mysqlnd driver supports utf8mb4 starting at version 5.0.9.
    $version = preg_replace('/^\\D+([\\d.]+).*/', '$1', $version);
    if (version_compare($version, self::MYSQLND_MINIMUM_VERSION, '<')) {
      $this
        ->fail(t("The MySQLnd driver version %version is less than the minimum required version. Upgrade to MySQLnd version %mysqlnd_minimum_version or up, or alternatively switch mysql drivers to libmysqlclient version %libmysqlclient_minimum_version or up.", [
        '%version' => $version,
        '%mysqlnd_minimum_version' => self::MYSQLND_MINIMUM_VERSION,
        '%libmysqlclient_minimum_version' => self::LIBMYSQLCLIENT_MINIMUM_VERSION,
      ]));
    }
  }
  else {

    // The libmysqlclient driver supports utf8mb4 starting at version 5.5.3.
    if (version_compare($version, self::LIBMYSQLCLIENT_MINIMUM_VERSION, '<')) {
      $this
        ->fail(t("The libmysqlclient driver version %version is less than the minimum required version. Upgrade to libmysqlclient version %libmysqlclient_minimum_version or up, or alternatively switch mysql drivers to MySQLnd version %mysqlnd_minimum_version or up.", [
        '%version' => $version,
        '%libmysqlclient_minimum_version' => self::LIBMYSQLCLIENT_MINIMUM_VERSION,
        '%mysqlnd_minimum_version' => self::MYSQLND_MINIMUM_VERSION,
      ]));
    }
  }
}