(PECL getdns >= 0.10.0)
php_getdns_context_set_dnssec_allowed_skew — Set the number of seconds of skew that is allowed when checking DNSSEC RRSIG values.
This function sets the number of seconds of skew that is allowed in either direction when checking an RRSIG's Expiration and Inception fields. The default is 0 (zero).
The previously created DNS context that is to be used with this request.
The number of seconds of allowable skew. The value must fit within a 32-bit unsigned integer.
This function returns an integer response code. GETDNS_RETURN_GOOD indicates successful completion.