Warning: Unsupported declare 'strict_types' in C:\Apache24\htdocs\drupal\core\lib\Drupal\Core\Database\Transaction\ClientConnectionTransactionState.php on line 3

Parse error: syntax error, unexpected 'ClientConnectionTransactionSta' (T_STRING) in C:\Apache24\htdocs\drupal\core\lib\Drupal\Core\Database\Transaction\ClientConnectionTransactionState.php on line 10