truncateBytes example

  public function testTruncateBytes($text, $max_length, $expected) {
    $this->assertEquals($expected, Unicode::truncateBytes($text, $max_length), 'The string was not correctly truncated.');
  }

  /** * Provides data for self::testTruncateBytes(). * * @return array * An array of arrays, each containing the parameters to * self::testTruncateBytes(). */
  public function providerTestTruncateBytes() {
    return [
      

public function handleExecutionException(\Exception $exception, StatementInterface $statement, array $arguments = [], array $options = []): void {
    if ($exception instanceof \PDOException) {
      // Wrap the exception in another exception, because PHP does not allow       // overriding Exception::getMessage(). Its message is the extra database       // debug information.       $code = is_int($exception->getCode()) ? $exception->getCode() : 0;

      // If a max_allowed_packet error occurs the message length is truncated.       // This should prevent the error from recurring if the exception is logged       // to the database using dblog or the like.       if (($exception->errorInfo[1] ?? NULL) === 1153) {
        $message = Unicode::truncateBytes($exception->getMessage(), Connection::MIN_MAX_ALLOWED_PACKET);
        throw new DatabaseExceptionWrapper($message, $code, $exception);
      }

      $message = $exception->getMessage() . ": " . $statement->getQueryString() . "; " . print_r($arguments, TRUE);

      // SQLSTATE 23xxx errors indicate an integrity constraint violation. Also,       // in case of attempted INSERT of a record with an undefined column and no       // default value indicated in schema, MySql returns a 1364 error code.       if (
        substr($exception->getCode(), -6, -3) == '23' ||
        ($exception->errorInfo[1] ?? NULL) === 1364
      )