From: Derick Rethans <derick@php.net>
Date: Sun, 29 Jan 2006 16:37:42 +0000 (+0000)
Subject: - An empty string is still a valid string, so there is no reason to return
X-Git-Tag: RELEASE_1_2~346
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3bed27f4a685b821c7e453e6210de3cbe853863a;p=php

- An empty string is still a valid string, so there is no reason to return
  NULL here.
---

diff --git a/ext/filter/sanitizing_filters.c b/ext/filter/sanitizing_filters.c
index 67c7b416b3..50d17eb65c 100644
--- a/ext/filter/sanitizing_filters.c
+++ b/ext/filter/sanitizing_filters.c
@@ -189,7 +189,7 @@ void php_filter_string(PHP_INPUT_FILTER_PARAM_DECL)
 
 	if (new_len == 0) {
 		zval_dtor(value);
-		Z_TYPE_P(value) = IS_NULL;
+		ZVAL_EMPTY_STRING(value);
 		return;
 	}