From: Marcus Boerger <helly@php.net>
Date: Thu, 11 Apr 2002 22:52:43 +0000 (+0000)
Subject: interpret empty to_encoding as encoding not set what results in current_internal_encoding
X-Git-Tag: php-4.3.0dev-ZendEngine2-Preview1~705
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fffb1a5d21948960adeb2976372562dd389ce4dd;p=php

interpret empty to_encoding as encoding not set what results in current_internal_encoding
---

diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index cfd3bfdf65..63394d7bdc 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -2070,7 +2070,7 @@ PHPAPI char * php_mb_convert_encoding(char *input, size_t length, char *_to_enco
 		return NULL;
 	}
 	/* new encoding */
-	if (_to_encoding) {
+	if (_to_encoding && strlen(_to_encoding)) {
 		to_encoding = mbfl_name2no_encoding(_to_encoding);
 		if (to_encoding == mbfl_no_encoding_invalid) {
 			php_error(E_WARNING, "%s() unknown encoding \"%s\"",