How to get a customer by his ID?

Development Customer

dmitry_fedyuk (Dmitrii Fediuk) April 4, 2016, 10:24pm 1

Method 1. \Magento\Customer\Model\CustomerRegistry::retrieve()

The method returns an instance of the \Magento\Customer\Model\Customer if the customer has been found, and throws a \Magento\Framework\Exception\NoSuchEntityException exception if the customer has not been found.

Method 2. \Magento\Customer\Api\CustomerRepositoryInterface::getById()

The method returns an instance of the \Magento\Customer\Api\Data\CustomerInterface if the customer has been found, and throws a \Magento\Framework\Exception\NoSuchEntityException exception if the customer has not been found.
It uses the Method 1 in its implementation:

github.com

magento/magento2/blob/ab051bf/app/code/Magento/Customer/Model/ResourceModel/CustomerRepository.php#L249-L253


public function getById($customerId)
{
    $customerModel = $this->customerRegistry->retrieve($customerId);
    return $customerModel->getDataModel();
}