Using classes with different namespaces in Laravel 8 - php

Question

I am trying to use a library of classes within Laravel 8. I am having difficulty getting the classes to load correctly. I created a new folder within the App folder called DigiSigner, which is the external library's namespace.
App\DigiSigner
DigiSignerClient.php
\libs
BaseRequest.php
Branding.php
ClassLoader.php
Config.php
Curler.php
DigiSignerException.php
DigiSignerResponse.php
Document.php
DocumentField.php
DocumentFields.php
ExistingField.php
ExportObject.php
Field.php
SignatureRequest.php
Signer.php
I created a controller that looks like this
class SignPDFController extends Controller
{
public function getPDF()
{
$client = new DigiSignerClient('client_key');
$request = new SignatureRequest;
$request->setEmbedded(true);
$request->setSendEmails(false);
$template = Document::withID('document_id');
$template->setTitle('Site Title');
$request->addDocument($template);
$signer = new Signer('user#email.com');
$signer->setRole('Signer 1');
$template->addSigner($signer);
$initials = new ExistingField('key');
$initials->setContent('VS');
$signer->addExistingField($initials);
$response = $client->sendSignatureRequest($request);
foreach ($response->getDocuments() as $document) {
foreach ($document->getSigners() as $signer) {
$signDocumentUrl = $signer->getSignDocumentUrl();
}
}
}
}
The DigiSignerClient and the SignatureRequest classes seem to load fine, but the SignatureRequest needs to load the ExportObject class to extend it.
namespace App\DigiSigner;
use App\DigiSigner\libs\ExportObject;
class SignatureRequest extends ExportObject {
I end up with an error like the following.
Error Class 'App\DigiSigner\libs\ExportObject' not found
Namespaces and use are a little fuzzy for me. If someone can point me in the right direction, I would be delighted.

Answer 1

I believe I figured it out. All the files in the subdirectory needed the namespace changed to App\DigiSigner\libs.

Answer 2

Check ExportObject.php namespace.