Laravel & Instagram get latest images and cache

InstagramGateway.php

<?php

use Cache;
use GuzzleHttp\Client;

// set ENV variables: INSTAGRAM_USERNAME and optional INSTAGRAM_CACHE_TIME (in minutes, default = 60)

class InstagramGateway
{
    public function getLatestPhotos($maxNumber = 4)
    {
        if (Cache::has('latest_instagram_photos')) {
            $ig_photos = Cache::get('latest_instagram_photos');
        } else {
            try {
                // cache instagram photos
                $client      = new Client();
                $ig_endpoint = 'https://www.instagram.com/' . env('INSTAGRAM_USERNAME', 'shrt') . '/media';
                $ig_response = $client->request('GET', $ig_endpoint);
                $ig_data     = json_decode($ig_response->getBody(), true);
                $ig_photos   = [];
                foreach ($ig_data['items'] as $item) {
                    $ig_photos[] = [
                        'url' => $item['images']['standard_resolution']['url'],
                    ];
                    if (count($ig_photos) == $maxNumber) {
                        break;
                    }
                }
                Cache::put('latest_instagram_photos', $ig_photos, env('INSTAGRAM_CACHE_TIME', 60));
            } catch (Exception $e) {
                $ig_photos = [];
            }
        }

        return $ig_photos;
    }
}