Hailong

<?php
namespace Auctane\Api\Controller\Auctane;

use Exception;
use Magento\Framework\App\CsrfAwareActionInterface;
use Magento\Framework\App\Request\InvalidRequestException;
use Magento\Framework\App\RequestInterface;

class Index extends \Magento\Framework\App\Action\Action implements CsrfAwareActionInterface
{

loureirorg

<?php
function zipToState($zipcode)
{
  /* 000 to 999 */
  $zip_by_state = [
    '--', '--', '--', '--', '--', 'NY', 'PR', 'PR', 'VI', 'PR', 'MA', 'MA', 'MA', 
    'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 'MA', 
    'MA', 'MA', 'RI', 'RI', 'NH', 'NH', 'NH', 'NH', 'NH', 'NH', 'NH', 'NH', 'NH', 
    'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'ME', 'VT', 'VT', 
    'VT', 'VT', 'VT', 'MA', 'VT', 'VT', 'VT', 'VT', 'CT', 'CT', 'CT', 'CT', 'CT', 

Jahhein

Update: New output icon glyph

Output Screenshot

You can find information on my terminal configuration here

mhauri

<?php
namespace Demo\Navigation\Plugin\Layer;

use Magento\Catalog\Model\ResourceModel\Layer\Filter\Attribute;
use Magento\Framework\App\RequestInterface;
use Magento\Catalog\Model\Layer\Filter\ItemFactory;
use Magento\Catalog\Model\Category;
use Magento\Catalog\Model\Layer\FilterList;
use Magento\Catalog\Model\Product;