ToStringTrait::__toString

public ToStringTrait::__toString()

public function __toString() {
  try {
    return (string) $this->render();
  }
  catch (\Exception $e) {
    // User errors in __toString() methods are considered fatal in the Drupal
    // error handler.
    trigger_error(get_class($e) . ' thrown while calling __toString on a ' . get_class($this) . ' object in ' . $e->getFile() . ' on line ' . $e->getLine() . ': ' . $e->getMessage(), E_USER_ERROR);
    // In case we are using another error handler that did not fatal on the
    // E_USER_ERROR, we terminate execution. However, for test purposes allow
    // a return value.
    return $this->_die();
  }
}