From: foobar <sniper@php.net>
Date: Thu, 1 Dec 2005 16:24:19 +0000 (+0000)
Subject: - Fixed PECL bug #6124: Crash on HTML tags when using FS_STRING
X-Git-Tag: RELEASE_2_0_2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7b396961daa7910df3a613c6619cd3b005cff231;p=php

- Fixed PECL bug #6124: Crash on HTML tags when using FS_STRING
---

diff --git a/ext/filter/sanitizing_filters.c b/ext/filter/sanitizing_filters.c
index 827d88c984..1b5b920d6d 100644
--- a/ext/filter/sanitizing_filters.c
+++ b/ext/filter/sanitizing_filters.c
@@ -178,7 +178,12 @@ void php_filter_string(PHP_INPUT_FILTER_PARAM_DECL)
 	/* strip tags, implicitly also removes \0 chars */
 	new_len = php_strip_tags(Z_STRVAL_P(value), Z_STRLEN_P(value), NULL, NULL, 0);
 	Z_STRLEN_P(value) = new_len;
-	
+
+	if (new_len == 0) {
+		Z_TYPE_P(value) = IS_NULL;
+		return;
+	}
+
 	if (! (flags & FILTER_FLAG_NO_ENCODE_QUOTES)) {
 		/* encode ' and " to numerical entity */
 		php_filter_encode_html(value, "'\"", 0);