Validating against a schema at runtime

gistfile1.php

<?php

/** ...Make the request, decode the response */

$validator->validate($decodedResponse, json_decode('details.json'));

if (!empty($validator->getErrors())) {
    throw new InvalidResponseException(
        sprintf('Invalid Net Verify response for [%s]: [%s]', $type, implode(',', $errorMessages))
    );
}

/** ...safely use any of properties of the valdiated response without checks */

/** @var string */
$scanReference =  $decodedResponse->scanReference;

/** @var string */
$status = $decodedResponse->status;

/** @var \DateTimeImmutable|null */
$dob = null;
if (isset($decodedResponse->document->dob)) {
	$dob = \DateTimeImmutable::createFromFormat('Y-m-d', $decodedResponse->document->dob);
}