UserAgentProvider.php

<?php
 
 
declare(strict_types=1);
namespace Commercetools\Client;
 
use GuzzleHttp\ClientInterface;
 
class UserAgentProvider
{
    private $userAgent;
    public const USER_AGENT = 'commercetools-sdk-php-v2';
 
    public function __construct(string $suffix = null)
    {
        if (defined('\GuzzleHttp\ClientInterface::MAJOR_VERSION')) {
            $clientVersion = (string) constant(ClientInterface::class . '::MAJOR_VERSION');
        } else {
            $clientVersion = (string) constant(ClientInterface::class . '::VERSION');
        }
 
        $userAgent = self::USER_AGENT . $this->getPackageVersion();
        
        $userAgent .= ' (GuzzleHttp/' . $clientVersion;
        if (extension_loaded('curl') && function_exists('curl_version')) {
            $userAgent .= '; curl/' . (string) \curl_version()['version'];
        }
        $userAgent .= ') PHP/' . PHP_VERSION;
        if (!is_null($suffix)) {
            $userAgent .= ' ' . $suffix;
        }
        $this->userAgent = $userAgent;
    }
 
    private function getPackageVersion(): string
    {
        if (class_exists("\Commercetools\Client\PackageVersion")) {
            $version = PackageVersion::get();
            if ($version != null) {
                return "/" . $version;
            }
        }
        return "";
    }
 
    public function getUserAgent(): string
    {
        return $this->userAgent;
    }
}