staylor / WordPress

		// Also validates that the host has 3 parts or more, as per Firefox's

		// ruleset.

		$parts = explode('.', $host);

		if (ip2long($host) === false && count($parts) >= 3) {

			$parts[0] = '*';

			$wildcard = implode('.', $parts);

			if ($wildcard === $reference) {

				return true;

			}

		}

		return false;

	}

		// Calculate the valid wildcard match if the host is not an IP address

		// Also validates that the host has 3 parts or more, as per Firefox's

		// ruleset.

		if (ip2long($host) === false) {

			$parts = explode('.', $host);

			$parts[0] = '*';

			$wildcard = implode('.', $parts);

			if ($wildcard === $reference) {

				return true;

			}

		}

		return false;

	}