How to Get All List of Customer Groups in Magento 2

adminformcustomermagento2source-model

I have created admin form. I am able to get customer group list using below code, but there is no "NOT LOGIN" group name so how can I get all group list?

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$groupOptions = $objectManager->get('\Magento\Customer\Model\Customer\Attribute\Source\Group')->getAllOptions();

$fieldset->addField(
    'customer_group',
    'multiselect',
    [
        'name' => 'customer_group[]',
        'label' => __('Customer Group'),
        'title' => __('Customer Group'),
        'values' => $groupOptions,
        'disabled' => $isElementDisabled
    ]
);

I am getting this output:

enter image description here

Best Answer

I was able to get solution using the below code:

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$groupOptions = $objectManager->get('\Magento\Customer\Model\ResourceModel\Group\Collection')->toOptionArray();

$fieldset->addField(
    'customer_group',
    'multiselect',
    [
        'name' => 'customer_group[]',
        'label' => __('Customer Group'),
        'title' => __('Customer Group'),
        'values' => $groupOptions,
        'disabled' => $isElementDisabled
    ]
);
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