code: public function getErrors($echoable = false)
      {
          if (true===$echoable) {
              return join("\n<br />", $this->errors);
          } else {
              return $this->errors;
          }
      }
docs: Get the errors
  
  @param bool $echoable Do we have to return a string to echo ? (FALSE by default)
  @return mixed The errors stack as an array by default, a string to display if $echoable=true
  @return string|array