<?php
$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => 'https://dvlaregistrations.dvla.gov.uk/api/latest_snapshot',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => '',
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 0,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'GET',
  CURLOPT_HTTPHEADER => array(
    'X-API-KEY: 4wwogkkw84g88c0sk0gss8w884woog0osscogc8s'
  ),
));

$response = curl_exec($curl);
curl_close($curl);
file_put_contents('response.zip', $response);