Saving contact return id about moneybird-php-client HOT 4 CLOSED

// Example: Create a new contact
$contact = $moneybird->contact();

$contact->firstname = 'Test';
$contact->lastname = 'Test';
$contact->email = '[email protected]';
$test = $contact->save();

var_dump($test);

Contact {#446 ▼
  +"id": "140744062628005371"
  +"company_name": ""
  +"firstname": "Test"
  +"lastname": "Test"
  +"attention": ""
  +"address1": ""
  +"address2": ""
  +"zipcode": ""
  +"city": ""
  +"country": "NL"
  +"email": "[email protected]"
  +"phone": ""
  +"delivery_method": "Email"
  +"customer_id": "11"
  +"tax_number": ""
  +"chamber_of_commerce": ""
  +"bank_account": ""
  +"send_invoices_to_attention": ""
  +"send_invoices_to_email": "[email protected]"
  +"send_estimates_to_attention": ""
  +"send_estimates_to_email": "[email protected]"
  +"sepa_active": false
  +"sepa_iban": ""
  +"sepa_iban_account_name": ""
  +"sepa_bic": ""
  +"sepa_mandate_id": ""
  +"sepa_mandate_date": null
  +"sepa_sequence_type": "FRST"
  +"credit_card_number": ""
  +"credit_card_reference": ""
  +"credit_card_type": null
  +"tax_number_validated_at": null
  +"created_at": "2015-11-25T09:33:39.431Z"
  +"updated_at": "2015-11-25T09:33:39.431Z"
  +"notes": []
  +"custom_fields": []
  +"version": null
}