<?php return [ 'missing-input-secret' => 'The secret parameter is missing.', 'invalid-input-secret' => 'The secret parameter is invalid or malformed.', 'missing-input-response' => 'The response parameter is missing.', 'invalid-input-response' => 'The response parameter is invalid or malformed.', 'bad-request The request' => 'is invalid or malformed.', 'timeout-or-duplicate' => 'The response is no longer valid: either is too old or has been used previously.' ];