settings.local.php for development

settings.local.php

<?php

// Twig development settings.
$settings['twig_debug'] = TRUE;
$settings['twig_auto_reload'] = TRUE;
$settings['twig_cache'] = FALSE;

// Use FileStorage.
// @see http://drupal.org/node/1908440
// @see http://drupal.org/node/1899842
$conf['php_storage']['default']['class'] = 'Drupal\Component\PhpStorage\FileStorage';
$conf['php_storage']['default']['directory'] = 'sites/default/files/php';
if (drupal_is_cli()) {
  $conf['php_storage']['default']['directory'] = 'sites/default/files/php-drush';
}