diff --git a/ext/filter/filter.c b/ext/filter/filter.c
index de31e24d3ea..6e43727f1ab 100644
--- a/ext/filter/filter.c
+++ b/ext/filter/filter.c
@@ -51,7 +51,7 @@ filter_list_entry filter_list[] = {
 	{ "stripped",        FILTER_SANITIZE_STRING,        php_filter_string          },
 	{ "encoded",         FILTER_SANITIZE_ENCODED,       php_filter_encoded         },
 	{ "special_chars",   FILTER_SANITIZE_SPECIAL_CHARS, php_filter_special_chars   },
-	{ "unsafe_raw",      FILTER_UNSAFE_RAW,    php_filter_unsafe_raw      },
+	{ "unsafe_raw",      FILTER_UNSAFE_RAW,    			php_filter_unsafe_raw      },
 	{ "email",           FILTER_SANITIZE_EMAIL,         php_filter_email           },
 	{ "url",             FILTER_SANITIZE_URL,           php_filter_url             },
 	{ "number_int",      FILTER_SANITIZE_NUMBER_INT,    php_filter_number_int      },
diff --git a/ext/filter/tests/030.phpt b/ext/filter/tests/030.phpt
new file mode 100644
index 00000000000..af5eb574658
--- /dev/null
+++ b/ext/filter/tests/030.phpt
@@ -0,0 +1,35 @@
+--TEST--
+filter_data() and FILTER_CALLBACK
+--FILE--
+<?php
+$ipv6_test = array(
+	"::127.0.0.1"				=> true,
+	"FF01::101:127.0.1" 		=> false,
+	"FF01:0:0:0:101:127.0.1.1"  => false,
+	"FF01:0:0:0:237:101:127.0.1.1"  => true,
+	"FF01::101"					=> true,
+	"A1080::8:800:200C:417A"	=> false,
+	"1080::8:Z00:200C:417A"		=> false,
+	"FF01::101::1"				=> false,
+	"1080::8:800:200C:417A"		=> true,
+	"1080:0:0:0:8:800:200C:417A" => true,
+	"2001:ec8:1:1:1:1:1:1"			=> true,
+	"ffff::FFFF:129.144.52.38"		=> true,
+	"::ffff:1.2.3.4"				=> true,
+	"0:0:0:0:0:FFFF:129.144.52.38" => true,
+	"0:0:0:0:0:0:13.1.68.3"		=> true,
+	"::13.1.68.3"				=> true,
+    "::FFFF:129.144.52.38"		=> true
+);
+foreach ($ipv6_test as $ip => $exp) {
+	$out = filter_data($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6);
+	$out = (int) (is_null($out) ? 0 : 1);
+	if ($exp != $out) {
+		echo "$ip failed\n";
+	}
+}
+
+echo "Ok\n";
+?>
+--EXPECT--	
+Ok