These were 6bone experimental network allocations, which have been returned to IANA (RFC 3701)

Author: derickr

ext/filter/logical_filters.c

@@ -954,10 +954,9 @@ void php_filter_validate_ip(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 				if (flags & FILTER_FLAG_NO_RES_RANGE || flags & FILTER_FLAG_GLOBAL_RANGE) {
 					if (
 						(ip[0] == 0 && ip[1] == 0 && ip[2] == 0 && ip[3] == 0 && ip[4] == 0 && ip[5] == 0 && ip[6] == 0 && (ip[7] == 0 || ip[7] == 1)) ||
-						(ip[0] == 0x5f) ||
 						(ip[0] >= 0xfe80 && ip[0] <= 0xfebf) ||
-						(ip[0] == 0x2001 && (ip[1] == 0x0db8 || (ip[1] >= 0x0010 && ip[1] <= 0x001f))) ||
-						(ip[0] == 0x3ff3)
+						(ip[0] == 0x2001 && (ip[1] == 0x0db8 || (ip[1] >= 0x0010 && ip[1] <= 0x001f)))
+
 					) {
 						RETURN_VALIDATION_FAILED
 					}

ext/filter/tests/bug47435.phpt

@@ -18,10 +18,6 @@ var_dump(filter_var("2001:0010::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
 var_dump(filter_var("2001:0010::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE));
 var_dump(filter_var("240b:0010::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
 var_dump(filter_var("240b:0010::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE));
-var_dump(filter_var("5f::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
-var_dump(filter_var("5f::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE));
-var_dump(filter_var("3ff3::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6));
-var_dump(filter_var("3ff3::1", FILTER_VALIDATE_IP, FILTER_FLAG_IPV6 | FILTER_FLAG_NO_RES_RANGE));
 ?>
 --EXPECT--
 string(7) "FC00::1"
@@ -38,7 +34,3 @@ string(12) "2001:0010::1"
 bool(false)
 string(12) "240b:0010::1"
 string(12) "240b:0010::1"
-string(5) "5f::1"
-bool(false)
-string(7) "3ff3::1"
-bool(false)