Implements \Drupal\Core\Form\FormInterface::buildForm().
Overrides SystemConfigFormBase::buildForm
public function buildForm(array $form, array &$form_state) {
$config = $this->configFactory
->get('system.logging');
$form['error_level'] = array(
'#type' => 'radios',
'#title' => t('Error messages to display'),
'#default_value' => $config
->get('error_level'),
'#options' => array(
ERROR_REPORTING_HIDE => t('None'),
ERROR_REPORTING_DISPLAY_SOME => t('Errors and warnings'),
ERROR_REPORTING_DISPLAY_ALL => t('All messages'),
ERROR_REPORTING_DISPLAY_VERBOSE => t('All messages, with backtrace information'),
),
'#description' => t('It is recommended that sites running on production environments do not display any errors.'),
);
return parent::buildForm($form, $form_state);
}