staylor / WordPress

				$ok = false;

			break;

		case 'maxval' :

			// The maxval check does two things: it checks that the attribute value is

			// an integer from 0 and up, without an excessive amount of zeroes or

			// whitespace (to avoid Buffer Overflows). It also checks that the attribute

			// value is not greater than the given value.

			// This check can be used to avoid Denial of Service attacks.

			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))

				$ok = false;

			if ($value > $checkvalue)

				$ok = false;

			break;

		case 'minval' :

			// The minval check makes sure that the attribute value is a positive integer,

				$ok = false;

			break;

		case 'minval' :

			// The minval check makes sure that the attribute value is a positive integer,

			// and that it is not smaller than the given value.

			if (!preg_match('/^\s{0,6}[0-9]{1,6}\s{0,6}$/', $value))

				$ok = false;

			if ($value < $checkvalue)

				$ok = false;

			break;

		case 'valueless' :

			// The valueless check makes sure if the attribute has a value