Laravel Helper to get logo wilayah Indonesia

LogoWilayah.php

<?php

namespace App\Helpers;

class LogoWilayah
{
    public static function handle($kodeWilayah) {
        $logo = self::getLogo($kodeWilayah);

        // if $kode is array, loop it
        if (is_array($kodeWilayah)) {
            $logo = [];
            foreach ($kodeWilayah as $kode) {
                $logo[] = self::getLogo($kode);
            }
        }
        return $logo;
    }

    private static function getLogo($kodeWilayah)
    {
        if(is_array($kodeWilayah)) {
            $urls = [];
            foreach ($kodeWilayah as $kode) {
                $ext = ['png', 'jpg', 'jpeg', 'gif'];
                // check if file exists
                foreach ($ext as $value) {
                    $url = "https://cdn.btekno.id/assets/logo/$kode.$value";
                    if (self::checkFile($url)) {
                        // push to array
                        $urls[] = $url;
                        echo $url . PHP_EOL;
                    }
                }
            }
            return $urls;
        } else {
            $ext = ['png', 'jpg', 'jpeg', 'gif'];

            // check if file exists
            foreach ($ext as $value) {
                $url = "https://cdn.btekno.id/assets/logo/$kodeWilayah.$value";
                if (self::checkFile($url)) {
                    return $url;
                }
            }
        }
    }

    private static function checkFile($url)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);

        curl_setopt($ch, CURLOPT_NOBODY, 1);
        curl_setopt($ch, CURLOPT_FAILONERROR, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        $result = curl_exec($ch);
        curl_close($ch);

        // return extension of file
        return $result!==false ? pathinfo($url, PATHINFO_EXTENSION) : false;
    }

}